Math, asked by muditas68, 1 year ago

cos^2x+ cos^2(x+60) + cos^2(x-60)=3/2

Answers

Answered by ritudas3335l

1

Answer:

cos2 x+ cos2 (x+"π" /3) + cos2 (x − "π" /3) = 3/2 Lets ... cos⁡〖 2x + 1〗/2 Replacing x with x + /3 is about cos2 (x + ...

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