verocuit
1. f'(x) = 2tanx + 2x cot x - sin x 2. f'(x)= 3x^2cosx - x^3 sin x 3. f'(x)= cos x + sin x (sin x) - (sin x - cos x) - cos x / (sin x)^2 4. f'(x)= -sin x +cos x (cos x - sin x) - (cos x + sin x) (-sin x -cos x) / (cos x - sin x) ^2
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aconkarta
nomor 3 dan 4 belum selesai itu, itu baru sampe (U' x V - U xV') / V^2
2. f'(x)= 3x^2cosx - x^3 sin x
3. f'(x)= cos x + sin x (sin x) - (sin x - cos x) - cos x / (sin x)^2
4. f'(x)= -sin x +cos x (cos x - sin x) - (cos x + sin x) (-sin x -cos x) / (cos x - sin x) ^2