Prove that :
(sinA + sin2A + sin4A + sin5A) ÷ (cosA + cos2A + cos4A + cos5A) = tan3A.
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Answer:
(sinA + sin2A + sin4A + sin5A) / (cosA + cos2A + cos4A + cos5A) = tan3A.
Hence Proved!!
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HENCE PROVED !!
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