Question

1. Prove : (1 - cos2θ) csc2θ = 1​

Answer 1

Answer:

= (1 - cos²θ) csc²θ

= sin²θ csc²θ

= $\frac{sin^2\theta}{sin^2\theta}$

= 1

Step-by-step explanation:

sin²θ = 1 - cos²θ

csc²θ = $\frac{1}{sin^2\theta}$