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q1)∫(1+sinx)/ (1-sinx) pls solve it.and i avoided writing dx to avoid confusion

q1)∫(1+sinx)/(1-sinx) 


pls solve it.and i avoided writing dx to avoid confusion

Grade:10

1 Answers

Gurwinder Kaur
65 Points
9 years ago

∫(1+sinx)/(1-sinx) 

= ∫(1-sin^2x)

 

= ∫cos^2x

= ∫(1+cos2x)/2

= 1/2 ∫(1+cos2x)

= 1/2 x + 1/4xcos2x



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