1.

Differentiate (1-tanx)/(1+tanx)

Answer»

SOLUTION :`(1-tanx)/(1+tanx)`
`d/dx(1-tanx)(1+tanx)`
`((-1+tanx)xxd/dx(1+tanx))/((1+tanx)^2)`
`(-sec^2x(1+tanx)-(1-tanx)sec^2x)/((1+tanx)^2)`
`=(-2sec^2x)/((1+tanx)^2)`


Discussion

No Comment Found

Related InterviewSolutions