Mathematics, 05.10.2019 05:30, adswadsaasdads

Verify the identity:

cos(a+b)/cos a sin b = cot b -tan a

Answers: 1

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Verify the identity: cos(a+b)/cos a sin b = cot b -tan a

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Verify the identity:

cos(a+b)/cos a sin b = cot b -tan a