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Question 5 (vii)Prove the following identities, where the angles involved are acute angles for which the expressions are defined.(vii) (sinθ−2sin3θ)(2cos3θ−cosθ)=tanθ

Answer» Question 5 (vii)

Prove the following identities, where the angles involved are acute angles for which the expressions are defined.

(vii) (sinθ2sin3θ)(2cos3θcosθ)=tanθ


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