{"id":312789,"date":"2023-05-22T09:37:23","date_gmt":"2023-05-22T02:37:23","guid":{"rendered":"https:\/\/quipperhome.wpcomstaging.com\/?p=312789"},"modified":"2023-05-22T09:37:33","modified_gmt":"2023-05-22T02:37:33","slug":"tabel-trigonometri","status":"publish","type":"post","link":"https:\/\/quipperhome.wpcomstaging.com\/mapel\/matematika\/tabel-trigonometri\/","title":{"rendered":"Tabel Trigonometri Berdasarkan Kuadran dan Sudut Istimewa"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"780\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri.webp\" alt=\"Tabel Trigonometri Berdasarkan Kuadran dan Sudut Istimewa \" class=\"wp-image-312826\" srcset=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri.webp 1280w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-768x468.webp 768w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-1200x731.webp 1200w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-1170x713.webp 1170w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hai Quipperian, di artikel sebelumnya Quipper Blog sudah pernah membahas konsep dasar trigonometri. Saat belajar trigonometri, pasti kamu akan bertemu dengan sudut istimewa, kan? Sudut istimewa sendiri dimulai dari 0o dan berakhir di 360o. Apakah kamu sudah hafal nilai <a href=\"https:\/\/www.quipper.com\/id\/blog\/mapel\/matematika\/trigonometri\/\" target=\"_blank\" rel=\"noreferrer noopener\">trigonometri <\/a>untuk sudut-sudut tersebut? Tentu tidak mudah menghafalkan semuanya, ya. Untuk memudahkanmu, kali ini Quipper Blog akan membahas tentang tabel trigonometri. Bagaimana bentuk tabel trigonometri itu? Yuk, simak selengkapnya!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pengertian Tabel Trigonometri<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tabel trigonometri adalah tabel yang berisi nilai trigonometri sudut-sudut istimewa<\/strong>. Sudut istimewa adalah sudut yang memiliki nilai trigonometri mudah untuk diingat dan dihafalkan. Oleh karena sudut memiliki rentang antara 0<sup>o<\/sup> sampai 360<sup>o<\/sup>, maka ada sifat pengulangan untuk sudut-sudut istimewa, misalnya nilai sin 30<sup>o<\/sup> = sin 150<sup>o<\/sup> = 0,5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nilai Trigonometri Berdasarkan Kuadran<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nilai trigonometri suatu sudut bergantung pada letak kuadrannya. Kuadran sudut dibagi menjadi empat, yaitu kuadran I, kuadran II, kuadran III, dan kuadran IV. Lalu, apa perbedaan kuadran-kuadran tersebut?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kuadran I<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kuadran I terletak di antara sudut 0<sup>o<\/sup> sampai 90<sup>o<\/sup>. Di kuadran ini, semua nilai trigonometri akan bernilai positif, baik sinus \u03b1, cosinus \u03b1, maupun tangen \u03b1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kuadran II<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kuadran II terletak di antara sudut 90<sup>o<\/sup> sampai 180<sup>o<\/sup>. Di kuadran ini, hanya sinus \u03b1 yang akan bernilai positif. Untuk cosinus \u03b1 dan tangen \u03b1 akan bernilai negatif. Contoh, sin 120<sup>o<\/sup>=1\/2\u221a3 = 1\/2 dan cos 120<sup>o<\/sup>=-1\/2<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kuadran III<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kuadran III terletak di antara sudut 180<sup>o<\/sup> sampai 270<sup>o<\/sup>. Di kuadran ini, hanya tangen \u03b1 yang bernilai positif. Sementara cosinus \u03b1 dan sinus \u03b1 akan bernilai negatif.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kuadran IV<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kuadran IV terletak di antara sudut 270<sup>o<\/sup> sampai 360<sup>o<\/sup>. Di kuadran ini, hanya cosinus \u03b1 yang bernilai positif. Sementara sinus \u03b1 dan tan \u03b1 akan bernilai negatif.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Untuk lebih jelasnya, perhatikan letak kuadran berikut ini.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"338\" height=\"330\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/perhatikan-letak-kuadran-berikut-ini.webp\" alt=\"perhatikan letak kuadran berikut ini\" class=\"wp-image-312794\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Agar lebih mudah dalam mengingat nilai trigonometrinya, gunakan SUPER \u201cSolusi Quipper\u201d berikut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cSEMUA SINDIKAT TANGANNYA KOSONG\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Artinya: di kuadran I <strong>semua<\/strong> bernilai positif, di kuadran II hanya <strong>sin<\/strong> yang positif, di kuadran III hanya <strong>tan<\/strong> yang positif, dan di kuadran IV hanya <strong>cos<\/strong> yang positif.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"376\" height=\"366\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Nilai-Trigonometri-Berdasarkan-Kuadran.webp\" alt=\"\" class=\"wp-image-312796\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tabel Trigonometri Sudut Istimewa Lengkap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mungkin kamu biasa mengenal sudut istimewa 0<sup>o<\/sup> sampai 90<sup>o<\/sup>. Tahukah kamu jika sudut istimewa itu tidak hanya terbatas sampai 90<sup>o<\/sup>, namun sampai 360<sup>o<\/sup>. Berikut ini akan disajikan tabel trigonometri sudut istimewa lengkap mulai 0<sup>o<\/sup> sampai 360<sup>o<\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tabel Trigonometri di Kuadran I (0<sup>o<\/sup> \u2013 90<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sudut istimewa yang berada di kuadran I meliputi, 0<sup>o<\/sup>, 30<sup>o<\/sup>, 45<sup>o<\/sup>, 60<sup>o<\/sup>, dan 90<sup>o<\/sup>. Adapun tabel trigonometri sudut istimewa di kuadran I adalah sebagai berikut.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"953\" height=\"296\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-I.webp\" alt=\"Tabel Trigonometri di Kuadran I\" class=\"wp-image-312799\" srcset=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-I.webp 953w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-I-768x239.webp 768w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Tabel Trigonometri di Kuadran II (90<sup>o<\/sup> \u2013 180<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sudut istimewa yang berada di kuadran II meliputi 90<sup>o<\/sup>, 120<sup>o<\/sup>, 135<sup>o<\/sup>, 150<sup>o<\/sup>, dan 180<sup>o<\/sup>. Adapun tabel trigonometri sudut istimewa di kuadran II adalah sebagai berikut.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"953\" height=\"306\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-II.webp\" alt=\"Tabel Trigonometri di Kuadran II\" class=\"wp-image-312801\" srcset=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-II.webp 953w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-II-768x247.webp 768w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Tabel Trigonometri di Kuadran III (180<sup>o<\/sup> \u2013 270<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sudut istimewa yang berada di kuadran II meliputi 180<sup>o<\/sup>, 210<sup>o<\/sup>, 225<sup>o<\/sup>, 240<sup>o<\/sup>, dan 270<sup>o<\/sup>. Adapun tabel trigonometri sudut istimewa di kuadran III adalah sebagai berikut.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"953\" height=\"328\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-III.webp\" alt=\"Tabel Trigonometri di Kuadran III\" class=\"wp-image-312804\" srcset=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-III.webp 953w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-III-768x264.webp 768w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Tabel Trigonometri di Kuadran IV (270<sup>o<\/sup> \u2013 360<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sudut istimewa yang berada di kuadran II meliputi 270<sup>o<\/sup>, 300<sup>o<\/sup>, 315<sup>o<\/sup>, 330<sup>o<\/sup>, dan 360<sup>o<\/sup>. Adapun tabel trigonometri sudut istimewa di kuadran IV adalah sebagai berikut.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"949\" height=\"344\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-IV.webp\" alt=\"\" class=\"wp-image-312806\" srcset=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-IV.webp 949w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri-di-Kuadran-IV-768x278.webp 768w\" sizes=\"(max-width: 949px) 100vw, 949px\" \/><\/figure>\n\n\n\n<div class=\"baca\">\n<p><span class=\"head_baca\">Baca Juga: <\/span> <a href=\"https:\/\/www.quipper.com\/id\/blog\/mapel\/matematika\/perbandingan-trigonometri\/\">Rumus Perbandingan Trigonometri, Sudut Istimewa pada Segitiga Siku Siku<\/a><\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Persamaan Nilai Trigonometri Antar Kuadran<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dari tabel di atas, bisa disimpulkan bahwa sudut-sudut di setiap kuadran ada yang memiliki nilai trigonometri sama, misalnya sin 210<sup>o<\/sup> = sin 330<sup>o<\/sup> = -0,5, cos = 120<sup>o<\/sup> = cos 240<sup>o<\/sup> = -0,5. Dari kesamaan nilai-nilai tersebut, diperoleh suatu persamaan yang bisa memudahkanmu dalam menyelesaikan nilai trigonometri antarkuadran. Berikut ini persamaannya.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Persamaan Trigonometri di Kuadran I (0<sup>o<\/sup> \u2013 90<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Adapun persamaan yang berlaku pada trigonometri di kuadran I adalah sebagai berikut.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>sin(90<sup>o<\/sup> \u2013 \u03b1) = cos\u03b1<\/li>\n\n\n\n<li>cos(90<sup>o<\/sup> \u2013 \u03b1) = sin\u03b1<\/li>\n\n\n\n<li>tan(90<sup>o<\/sup> \u2013 \u03b1) = cot\u03b1<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Perhatikan contoh berikut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Buktikan bahwa nilai dari sin(90 \u2013 30<sup>o<\/sup>) = cos(30<sup>o<\/sup>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pembahasan :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dari persamaan sin(90<sup>o<\/sup> \u2013 \u03b1) = -cos\u03b1, diperoleh :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sin(90 \u2013 30<sup>o<\/sup>) = cos(30<sup>o<\/sup>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2194 sin 60<sup>o<\/sup> = cos 30<sup>o<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Untuk membuktikannya, lihat kembali tabel trigonometri!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"955\" height=\"302\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Persamaan-Nilai-Trigonometri-di-Kuadran-I.webp\" alt=\"Persamaan Nilai Trigonometri di Kuadran I\" class=\"wp-image-312811\" srcset=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Persamaan-Nilai-Trigonometri-di-Kuadran-I.webp 955w, https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Persamaan-Nilai-Trigonometri-di-Kuadran-I-768x243.webp 768w\" sizes=\"(max-width: 955px) 100vw, 955px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Coba kamu perhatikan sel yang diberi warna ungu. Dari situ, terlihat jika nilai sin(60<sup>o<\/sup>)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"129\" height=\"32\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Coba-kamu-perhatikan-sel-yang-diberi-warna-ungu.-Dari-situ-terlihat-jika-nilai-sin-60.webp\" alt=\"\" class=\"wp-image-312813\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Persamaan Trigonometri di Kuadran II (90<sup>o<\/sup> \u2013 180<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Berdasarkan tabel, diperoleh hubungan bahwa sin(120<sup>o<\/sup>) = sin(60<sup>o<\/sup>), di mana 120<sup>o<\/sup> + 60<sup>o<\/sup> = 180<sup>o<\/sup>. Dengan demikian, persamaan yang berlaku adalah sebagai berikut.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>sin(180<sup>o<\/sup> \u2013 \u03b1) = sin\u03b1<\/li>\n\n\n\n<li>cos(180<sup>o<\/sup> \u2013 \u03b1) = -cos\u03b1<\/li>\n\n\n\n<li>tan(180<sup>o<\/sup> \u2013 \u03b1) = -tan\u03b1<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Perhatikan contoh berikut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Buktikan bahwa cos(180<sup>o<\/sup> \u2013 45<sup>o<\/sup>) = -cos(45<sup>o<\/sup>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pembahasan :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">cos(180<sup>o<\/sup> \u2013 45<sup>o<\/sup>) = -cos(45<sup>o<\/sup>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2194 cos(135<sup>o<\/sup>) = -cos(45<sup>o<\/sup>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2194 &#8211; 1\/2\u221a2 = -1\/2 \u221a2 (terbukti)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Persamaan Trigonometri di Kuadran III (180<sup>o<\/sup> \u2013 270<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Adapun persamaan trigonometri di kuadran III adalah sebagai berikut.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>sin(180<sup>o<\/sup> + \u03b1) = -sin\u03b1<\/li>\n\n\n\n<li>cos(180<sup>o<\/sup> + \u03b1) = -cos\u03b1<\/li>\n\n\n\n<li>tan(180<sup>o<\/sup> + \u03b1) = tan\u03b1<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Persamaan Trigonometri di Kuadran IV (180<sup>o<\/sup> \u2013 270<sup>o<\/sup>)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Untuk di kuadran IV, berlaku persamaan trigonometri sudut negatif sebagai berikut.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>sin (360<sup>o<\/sup> &#8211; \u03b1) = -sin \u03b1<\/li>\n\n\n\n<li>cos (360<sup>o<\/sup> &#8211; \u03b1) = cos \u03b1<\/li>\n\n\n\n<li>tan (360<sup>o<\/sup> &#8211; \u03b1) = -tan \u03b1<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Mengapa sudutnya negatif? Karena sudut negatif diukur dari sumbu-x positif yang arahnya searah dengan putaran jarum jam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dengan adanya persamaan-persamaan di atas, kamu tidak perlu repot-repot menghafalkan semua nilai trigonometri mulai 0o sampai 360o, ya. Cukup pahami rumus dan letak kuadran sudutnya.<\/p>\n\n\n\n<div class=\"baca\">\n<p><span class=\"head_baca\">Baca Juga: <\/span> <a href=\"https:\/\/www.quipper.com\/id\/blog\/mapel\/matematika\/identitas-trigonometri\/\">Rumus Identitas Trigonometri, Contoh Soal dan Pembahasannya<\/a><\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Contoh Soal<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Untuk mengasah kemampuanmu, yuk simak contoh soal berikut ini.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Contoh Soal 1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jika sinx = sin(60<sup>o<\/sup>) dengan 0<sup>o<\/sup> \u2264 x \u2264 360<sup>o<\/sup>, tentukan sudut x yang memenuhi persamaan tersebut!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pembahasan :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Di soal tertulis bahwa sinx = sin(60<sup>o<\/sup>) dengan 0<sup>o<\/sup> \u2264 x \u2264 360<sup>o<\/sup>. Artinya, solusi untuk sudut x hanya berada di kuadran I dan kuadran II. Mengapa demikian? Karena sinus bernilai positif di kuadran II. Dengan demikian, diperoleh dua solusi seperti berikut.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>sinx = sin(60<sup>o<\/sup>) \u2192 x = 60<sup>o<\/sup><\/li>\n\n\n\n<li>sin(180<sup>o<\/sup> \u2013 60<sup>o<\/sup>) = sin(60<sup>o<\/sup>) \u2192 x = 120<sup>o<\/sup><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Jadi, nilai sudut x yang memenuhi adalah {60<sup>o<\/sup>, 120<sup>o<\/sup>}.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Contoh Soal 2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tentukan nilai trigonometri berikut ini.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>tan(315<sup>o<\/sup>)<\/li>\n\n\n\n<li>sin(210<sup>o<\/sup>)<\/li>\n\n\n\n<li>cos(225<sup>o<\/sup>)<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Pembahasan :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mula-mula, tentukan dahulu letak kuadran sudutnya. Lalu, gunakan persamaan trigonometri di setiap kuadrannya!<\/p>\n\n\n\n<ol>\n\t<li>\n\ttan(315<sup>o<\/sup>) \u2192 sudut 315<sup>o<\/sup> berada di kuadran IV<\/br>\n\tPersamaan yang berlaku adalah tan (360<sup>o<\/sup> &#8211; \u03b1) = -tan \u03b1. Dengan demikian:<\/br>\n\ttan(315<sup>o<\/sup>) = tan(360<sup>o<\/sup> \u2013 45<sup>o<\/sup>)<\/br>\n\ttan(360<sup>o<\/sup> \u2013 45<sup>o<\/sup>)= &#8211; tan(45<sup>o<\/sup>) = -1<\/br>\n\tJadi, tan(315<sup>o<\/sup>) = -1.\n\t<\/li>\n\t<li>\n\tsin(210<sup>o<\/sup>) \u2192 sudut 210<sup>o<\/sup> berada di kuadran III<\/br>\n\tPersamaan yang berlaku adalah sin(180<sup>o<\/sup> + \u03b1) = -sin\u03b1. Dengan demikian:<\/br>\n\tsin(210<sup>o<\/sup>) = sin(180<sup>o<\/sup> + 30<sup>o<\/sup>)<\/br>\n\t\u2194 sin(180<sup>o<\/sup> + 30<sup>o<\/sup>) = -sin(30<sup>o<\/sup>) = -1\/2<\/br>\n\tJadi, sin(210<sup>o<\/sup>) = -1\/2\n\t<\/li>\n\t<li>\n\tcos(225<sup>o<\/sup>) \u2192 sudut 225<sup>o<\/sup> berada di kuadran III<\/br>\n\tPersamaan yang berlaku adalah cos(180<sup>o<\/sup> + \u03b1) = -cos\u03b1. Dengan demikian:<\/br>\n\tcos(225<sup>o<\/sup>) = cos(180<sup>o<\/sup> + 45<sup>o<\/sup>)<\/br>\n\t\u2194 cos(180<sup>o<\/sup> + 45<sup>o<\/sup>) = -cos(45<sup>o<\/sup>) = -1\/2&#8730;2<\/br>\n\tJadi, cos(225<sup>o<\/sup>) = -1\/2&#8730;2.\n\t<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Itulah pembahasan Quipper Blog kali ini. Semoga bermanfaat, ya. Untuk mendapatkan materi lengkapnya, yuk buruan gabung Quipper Video. Salam Quipper!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hai Quipperian, di artikel sebelumnya Quipper Blog sudah pernah membahas konsep dasar trigonometri. Saat belajar trigonometri, pasti kamu akan bertemu dengan sudut istimewa, kan?&hellip;<\/p>\n","protected":false},"author":156742495,"featured_media":312826,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[679384865],"tags":[],"ppma_author":[679386821,679386836],"class_list":["post-312789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matematika"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tabel Trigonometri Berdasarkan Kuadran dan Sudut Istimewa - Quipper Blog<\/title>\n<meta name=\"description\" content=\"Tabel trigonometri adalah tabel yang berisi nilai trigonometri sudut-sudut istimewa, cek berdasarkan kuadran dan Persamaan Nilai Trigonometri Antar Kuadran serta contoh soal\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/quipperhome.wpcomstaging.com\/mapel\/matematika\/tabel-trigonometri\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tabel Trigonometri Berdasarkan Kuadran dan Sudut Istimewa - Quipper Blog\" \/>\n<meta property=\"og:description\" content=\"Tabel trigonometri adalah tabel yang berisi nilai trigonometri sudut-sudut istimewa, cek berdasarkan kuadran dan Persamaan Nilai Trigonometri Antar Kuadran serta contoh soal\" \/>\n<meta property=\"og:url\" content=\"https:\/\/quipperhome.wpcomstaging.com\/mapel\/matematika\/tabel-trigonometri\/\" \/>\n<meta property=\"og:site_name\" content=\"Quipper Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/QuipperVideoID\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-22T02:37:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-05-22T02:37:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2023\/02\/Tabel-Trigonometri.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"780\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Ahmad Nurhakim, Pamela Natasa, S.Pd.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@quipper_id\" \/>\n<meta name=\"twitter:site\" content=\"@quipper_id\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ahmad Nurhakim\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/mapel\\\/matematika\\\/tabel-trigonometri\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/mapel\\\/matematika\\\/tabel-trigonometri\\\/\"},\"author\":{\"name\":\"Ahmad Hakim\",\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/#\\\/schema\\\/person\\\/e8949d86562428c8aa73a14c68a5963f\"},\"headline\":\"Tabel Trigonometri Berdasarkan Kuadran dan Sudut Istimewa\",\"datePublished\":\"2023-05-22T02:37:23+00:00\",\"dateModified\":\"2023-05-22T02:37:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/mapel\\\/matematika\\\/tabel-trigonometri\\\/\"},\"wordCount\":1027,\"publisher\":{\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/mapel\\\/matematika\\\/tabel-trigonometri\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/Tabel-Trigonometri.webp\",\"articleSection\":[\"Matematika\"],\"inLanguage\":\"id\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/mapel\\\/matematika\\\/tabel-trigonometri\\\/\",\"url\":\"https:\\\/\\\/quipperhome.wpcomstaging.com\\\/mapel\\\/matematika\\\/tabel-trigonometri\\\/\",\"name\":\"Tabel Trigonometri Berdasarkan Kuadran dan Sudut Istimewa - 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