Question

(cosecƟ - cotƟ)² = 1-CosƟ/1+CosƟ

Answer 1

Dear friend ,for the convenience I am using A instead of theta.

(CosecA-cotA)^2=(1 -cosA/sinA)^2=1/1+cosA=1+secA

1-cosA/1+cosA= 1+secA. ( Taking lcm)

Hope it helps you..