Grade 12Integral Calculus

d/dØ∫1/(1-cosxcosØ)dx

Akshay Mishra

16 Years agoGrade 12

12 Years ago

Ans:

$I = \frac{d}{d\varnothing }\int \frac{1}{1-cosxcos\varnothing }dx$

Using Leibniz’s rule, we have

$I = \int \frac{\partial }{\partial \varnothing }(\frac{1}{1-cosxcos\varnothing })dx$

$I = \int (\frac{-(cosxsin\varnothing) }{(1-cosxcos\varnothing)^{2} })dx$

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Jitender Singh

IIT Delhi

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