Question
Establish Identity

cos( a +B) = 1 + cota tan B cosacos
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Answer #1

Sum Knoco cos(a+ß) It cota tanp Cosa cop Take left hand side 2 coe the San Cosine identity, Cosa+B) cosa cosp sind sing plugk

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Establish Identity cos( a +B) = 1 + cota tan B cosacos
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