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Aparna Tiwari Grade: 12
        

Integrate (1-tanx)dx


              (1+tanx)   

7 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

I=(1-tanx)/1+tanx) dx


I={cosx-sinx/sinx+cosx}dx


on putting sinx+cosx=t


         (cosx-sinx)dx = dt


I=dt/t


 =logt +c


 =logsinx+cosx  + c

7 years ago
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