Turunan fungsi trigonometri g(x) = -9 cos^3(sin 5x)tolong bantu yh

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Turunan fungsi trigonometri g(x) = -9 cos^3(sin 5x)tolong bantu yh

G'(x) = u'v + uv'
misal u: -9
v: cos³(sin5x)
g'(x) = (0) (cos³(sin5x)) + (-9) ( 3×cos²(sin5x)×(-sin(sin5x))×5×cos5x)
g'(x) = 135 cos²(sin5x) sin(sin5x) cos(5x)