1+2 sin x . Cos x = (sin x +cos x)²
Matematika
Ssyasabrina
Pertanyaan
1+2 sin x . Cos x = (sin x +cos x)²
1 Jawaban
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1. Jawaban TAD4SHI
(sin^2x + cos^2x) + 2 sin cosx = sin^2x + 2 sinx.cosx + cos^2 x
1= sin^2x + cos^2x