Math, asked by shravan4527, 7 days ago

prove that sin 7θ + sin 3θ

Answers

Answered by yaswanthlasya

0

Answer:

2sin5θ.cos2θ

Step-by-step explanation:

sin7θ +sin3θ=2sin(7θ+3θ/2).cos(7θ-3θ/2)

=2sin5θ.cos2θ

Hope it helps you..

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