Math, asked by abdulbariomair405, 22 hours ago

Convert sin theta + sin 8theta into product​

Answers

Answered by ishwarrao9
1

Answer:

We have,

 sin12θ+sin4θ

⇒sin2(6θ)+sin2(2θ)

⇒2sin6θcos6θ+2sin2θcos2θ

⇒2sin2(3θ)cos6θ+4sinθcosθcos2θ

⇒4sin3θcos3θcos6θ+4sinθcosθcos 20

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