Differentiate f(x)=In 5 cos^3 (2x)

Complete steps please, thanks.
in Other Math Topics by Level 1 User (220 points)

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1 Answer

f(x)=In 5 cos^3 (2x)

y=f(x), composite function containing log function, cos function, cube function and 2x function

dy/dx = [1/5cos^(2x)] . 5.3. cos^2(2x). -sin(2x).2

= - 6 sin(2x)
by Level 1 User (340 points)

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