How do you find the derivative of #cos^2 (x^2 - 3x)#?

Answer 1

Emma Aldridge

#(6-4x) cos (x^2-3x) sin (x^2 -3x) #

First differentiate cosine function w.r.t #x^2-3x# and then differentiate #x^2-3x# w.r.t x.............. Chain rule

Derivative would be #-2cos(x^2 -3x) sin(x^2-3x) (2x-3)#

#(6-4x) cos (x^2-3x) sin (x^2 -3x) #

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Answer 2

Adam Adkins

To find the derivative of ( \cos^2(x^2 - 3x) ), you would use the chain rule. The derivative is ( -2\cos(x^2 - 3x)\sin(x^2 - 3x)(2x - 3) ).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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