Math, asked by pragatibhatt2922, 6 months ago

cos theta*cos theta /2 - cos 3theta *cos 9theta/2 = sin7theta/2*sin 4theta...

Answers

Answered by King1731323213123
0

Answer:

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Step-by-step expla nation:

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Answered by aryapower9gmailcom
1

Step-by-step explanation:

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