Question

Prove that sinθ(cosecθ- sinθ) = cos^2θ



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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

sinθ(cosecθ-sinθ) = cos²θ

L.H.S = sin x cosec - sin x sin --(sin*cosec = 1)

= 1 - sin²θ = cos²θ---(sin² + cos² = 1)

L.H.S = R.H.S

sinθ(cosecθ-sinθ) = cos²θ

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