Pertanyaan

cos ( 3 x − 3 0 ∘ ) + cos ( 3 x + 6 0 ∘ ) ke dalam bentuk: k cos ( x − α ) !

$cos (3 x - 3 0^{\circ}) + cos (3 x + 6 0^{\circ})$ ke dalam bentuk: $k cos (x - α)$ !

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Habis dalam

Klaim

O. Rahmawati

Master Teacher

Mahasiswa/Alumni UIN Sunan Gunung Djati Bandung

Jawaban terverifikasi

Jawaban

bentuk sederhananya adalah .

bentuk sederhananya adalah square root of 2 space cos space open parentheses 3 x plus 30 degree close parentheses

Pembahasan

Untuk menyelesaikan soal tersebut kita dapat menggunakan rumus penjumlahan cosinus: Pembahasan: Jadi, bentuk sederhananya adalah .

Untuk menyelesaikan soal tersebut kita dapat menggunakan rumus penjumlahan cosinus:

cos space A plus cos space B equals 2 space cos space 1 half open parentheses A plus B close parentheses space cos space 1 half open parentheses A minus B close parentheses

Pembahasan:

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Jadi, bentuk sederhananya adalah square root of 2 space cos space open parentheses 3 x plus 30 degree close parentheses .