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Question

find the derivative of underroot ( sec ^ 2x + cosec ^ 2x )

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Solution

Let y = sec2x+cosec2x=1cos2x+1sin2x=cos2x+sin2xsin2xcos2x=secxcosecxSO dydx=secx×-cosecxcotx+cosecx×secxtanx=secxcosecx-cotx+tanxYou can further simplify it for your own practice.

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