Prove the following identity- sin - - sin 3 - - sin 5-cos - - cos - - cos 5- - tan 3-

=sinα+sin 3α+sin 5αcosα+cos 3 α+cos 5 α =2sin 3αcos 2α+sin 3 α2cos 3 αcos 2 α+cos 3 α =tan 3 α×(1+2cos 2 α)(1+2cos 2 α) =tan 3 α ...

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Basic Trigonometric Identities

Prove the fol...

Question

Prove the following identity:
$\frac{sin α + sin 3 α + sin 5 α}{c o s α + cos α + cos 5 α} = tan 3 α$

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