Math, asked by tauseefbasha2003, 9 months ago

Prove that cos(60° + 0) + cos(60° - 0) = cos0

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Answered by rishu6845

4

Answer:

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Answered by ayush77772486

3

Answer:

cos(60°+0)+cos(60°-0)

=>cos 60°+cos 60°=cos 0°

=>1/2+1/2=1

=>1 = 1

hence proved...

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