Q. 73.9( 13 Votes )

Differentiate the following functions with respect to x:

sin2(2x + 1)

Answer :

Let y = sin2(2x + 1)


On differentiating y with respect to x, we get



We know


[using chain rule]



We have


[using chain rule]


[ sin(2θ) = 2sinθcosθ]




However, and derivative of a constant is 0.




Thus,


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