Math, asked by aounmd74, 9 months ago

Prove that cos²ø + cos² (ø+ 120°) + cos² (ø – 120°) =3/2​

Answers

Answered by jainishpjain
1

Hope this helps plz mark as brainliest.

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Answered by aknk4740
0

Answer:

upper answer is correct

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