Math, asked by nidhi17th, 5 days ago

The expression cos A . cos (60°- A) . Cos (60° - A) . Cos( 60°+ A) can be written as

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Answers

Answered by rashmeet492

3

Answer:

cos (60 + A). cos (60 - A) = 14cos 3A.

Step-by-step explanation:

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