Question

Question #56b16

Answer 1

`LHS=cscx/(1+cscx)`

`=(1/sinx)/(1+1/sinx)`

`=1/(1+sinx)`

`=(1-sinx)/((1+sinx)(1-sinx))`

`=(1-sinx)/(1-sin^2x)`

`=(1-sinx)/cos^2x=RHS`

Proved