Question

How do you prove `(1-cosx) /sin = sin/( 1+cosx)`?

Answer 1

see below

Explanation:

Left Side: `= (1-cosx)/sinx xx (1+cosx)/(1+cosx)`

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

`=sin^2x/(sinx(1+cosx))`

`=sinx/(1+cosx)`

`=` Right Side