Question

. (cosec θ + sin θ)(cosec θ – sin θ) = cot2θ + cos2θ​

Answer 1

Answer:

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Step-by-step explanation:

Taking L.H.S

= (cosec θ + sin θ)(cosec θ – sin θ)

On multiplying we get,

= cosec2 θ – sin2 θ

= (1 + cot2 θ) – (1 – cos2 θ) [Using cosec2 θ − cot2 θ = 1 and sin2 θ + cos2 θ = 1]

= 1 + cot2 θ – 1 + cos2 θ

= cot2 θ + cos2 θ

= R.H.S

Hence Proved..

Hope It's Helps...❇️

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Answer 2

Go through the above attachment