Math, asked by aakash227319, 8 months ago

please solve this class 9 question . Prove that cos^2(A – 120°) + cos^2 A + cos^2(A + 120°) = 3/2

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Answered by thathelpfulweirdo

1

Please see the attachment and mark me brainliest!

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ebbbc3cf1c8910d8038f84873217dfb0.pdf

Answered by Anonymous

17

Kindly see the above attachment.

Hope it helps ya :)

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