Question

Question #1892c

Answer 1

Se the proof below

Explanation:

`cos^2theta+sin^2theta=1`
RHS = `cos^2theta/(1-sintheta)=(1-sin^2theta)/(1-sintheta)=((1+sintheta)(1-sintheta))/(1-sintheta)`
`=1+sintheta` =`RHS`