Math, asked by pragatibhatt2922, 7 months ago

cos thetacos 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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