turunan cos kuadrat x dx
Matematika
widya1710
Pertanyaan
turunan cos kuadrat x dx
1 Jawaban
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1. Jawaban widyatmaleo
d(cos²x)/dx = {d(cos²x)/d(cos x)} x d(cos x)/dx.
= (2 cosx) x (- sin x)
= -2 cosx sinx
= -(2 sinx cos x)
=- sin 2x