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If cosθ=−513 and π2 < θ < π then find the values of (i) sin 3 θ +sin 5 θ (ii) tan 3 θ |
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Answer» If cosθ=−513 and π2 < θ < π then find the values of (i) sin 3 θ +sin 5 θ (ii) tan 3 θ |
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