To find: ∵ Also, we know that 1 + cot 2 θ = cosec 2 θ ⇒ cot 2 θ – cosec 2 θ = – 1

Write the value of .

To find:

∵

Also, we know that 1 + cot² θ = cosec² θ

⇒ cot² θ – cosec² θ = – 1