Math, asked by sahilpreetkaur1, 9 months ago

if A=30show that 4cosA.cos (60-A).cos (60+A)=cos 3A

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Answered by lubnataralaskar18

1

Answer:

Step-by-step explanation:

Answered by Ashwin9063

0

Answer :‍‍‍‍‍‍‍♂️‍‍‍‍‍‍♂️

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