Question: COS A-B tity (prove the two sides are equal). = cot A + tan B sin A.cos B ------------ = cot A + tan B

------------ = cot A + tan B 'tity (prove the two sides

are equal). sin A-cos B

COS A-B tity (prove the two sides are equal). = cot A + tan B sin A.cos B

------------ = cot A + tan B 'tity (prove the two sides are equal). sin A-cos B

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