Question

please find the derivative
fast
​

Answer 1

Step-by-step explanation:

cos^2x.tan^3(5x)

dy/dx= cos^2x.d/dx[ tan^3(5x)] + tan^3(5x). d/dx( cos^2x)

= cos^2x. 3sec^4(5x).d/dx(5x) + tan^3(5x).(-2sinx)

=cos^2x. 3sec^4(5x).5 + tan^3(5x).(-2sinx)

=5.cos^2x. 3sec^4(5x) - tan^3(5x).(2sinx)

Answer 2

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This is the best possible answer

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