(sin x +cos x )(sin x — cos x )
Matematika
jenius105
Pertanyaan
(sin x +cos x )(sin x — cos x )
2 Jawaban
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1. Jawaban Jeyyyy
= sin^2 x + sin x cos x - sin x cos x - cos^2 x
= sin^2x - cos^2x -
2. Jawaban sayogoutomo
sin²x -sinx.cosx + cosx.sinx - cos²x
sin²x-cos²x