Iklan

Iklan

Pertanyaan

Nilai dari cos 7 5 o − cos 1 5 o sin 10 5 o − sin 1 5 o ​ = ...

Nilai dari

  1. negative square root of 3

  2. -1

  3. 1 half

  4. 1 half square root of 3

  5. square root of 3

Iklan

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Iklan

Pembahasan

R u m u s space p e n g u r a n g a n space sin u s space d a n space cos i n u s space a d a l a h colon  sin alpha minus sin beta equals 2 cos fraction numerator alpha plus beta over denominator 2 end fraction sin fraction numerator alpha minus beta over denominator 2 end fraction  cos alpha minus cos beta equals negative 2 sin fraction numerator alpha plus beta over denominator 2 end fraction sin fraction numerator alpha minus beta over denominator 2 end fraction  S e h i n g g a comma  fraction numerator sin 105 to the power of o minus sin 15 to the power of o over denominator cos 75 to the power of o minus cos 15 to the power of o end fraction equals fraction numerator 2 cos fraction numerator 105 plus 15 over denominator 2 end fraction sin fraction numerator 105 minus 15 over denominator 2 end fraction over denominator negative 2 sin fraction numerator 75 plus 15 over denominator 2 end fraction sin fraction numerator 75 minus 15 over denominator 2 end fraction end fraction  equals fraction numerator 2 cos 60 to the power of o sin 45 to the power of o over denominator negative 2 sin 45 to the power of o sin 30 to the power of o end fraction  equals fraction numerator 2 cross times 1 half cross times 1 half square root of 2 over denominator negative 2 cross times 1 half square root of 2 cross times 1 half end fraction  equals negative 1

Latihan Bab

Konsep Kilat

Jumlah dan Selisih Dua Sudut

Sudut Rangkap dan Sudut Paruh

Perkalian Trigonometri

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

704

DEA PAULINA TARIGAN

Makasih ❤️

Iklan

Iklan

Pertanyaan serupa

Nilai dari cos 7 5 ∘ − cos 1 5 ∘ sin 10 5 ∘ − sin 1 5 ∘ ​ adalah.....

93

5.0

Jawaban terverifikasi

Iklan

Iklan

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Fitur Roboguru

Topik Roboguru

Hubungi Kami

Ruangguru WhatsApp

081578200000

Email info@ruangguru.com

info@ruangguru.com

Contact 02140008000

02140008000

Ikuti Kami

©2023 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia