Math, asked by jhee29, 11 months ago

show that cos²∅+cos²(alpha+∅)-2cos alpha.Cos∅.Cos(alpha+∅) is independent of ∅

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Answered by sahildhande987

3

see the attachment mate ✌️☺️

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Answered by Anonymous

9

SOLUTION

Refer to the attachment.

hope it helps ☺️

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