Q37 of 292 Page 569

Mark (√) against the correct answer in the following:

If ?


Given that y=tan-1(sec x + tan x)


Hence,


Using , and cos2θ +sin2θ =1


Hence,


⇒


Dividing by in numerator and denominator, we get



Using , we get



Differentiating with respect to x, we get


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