if cos( A +B) =alphacos A cosB +beta sinA sin B find alpha and beta​

Question

if cos( A +B) =alphacos A cosB +beta sinA sin B find alpha and beta​

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Sophia 1 month 2021-08-18T19:35:09+00:00 1 Answer 0 views 0

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    2021-08-18T19:36:12+00:00

    Answer:

    alpha= 1 and beta =1

    …….

    ..

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