Math, asked by juliburnwal1982, 5 days ago

sin theeta+ sin 3 theeta+ sin 5 theeta cos theeta + cos 3 theeta + cos 5 theeta =tan 3 theeta

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Answered by ayushmanminati

0

Answer:

by formula CosX+CosY = 2Cos (x+y) cos (x-y)

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