What is the value of (1 – cos2θ) cosec2θ?

To find: (1 – cos2 θ) cosec2 θ∵ ∴ …………(i)∵ sin2 θ + cos2 θ = 1∴ sin2 θ = 1 – cos2 θ⇒ from (i), we have

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What is the value of (1 – cos²θ) cosec²θ?

To find: (1 – cos² θ) cosec² θ

∵

∴

…………(i)

∵ sin² θ + cos² θ = 1

∴ sin² θ = 1 – cos² θ

⇒ from (i), we have

If, find .

Define an identity.

What is the value of (1 + cot²θ) sin²θ?