Question

How do you prove `sin^2theta/(1-sin^2theta)=tan^2theta`?

Answer 1

see below

Explanation:

`sin^2 theta/(1-sin^2theta) = tan^2 theta`

Left Side`=sin^2 theta/(1-sin^2theta)`

`=sin^2 theta/cos^2 theta`

`=tan^2 theta`