Prove that- tan A-tan B-cot A- cot B- tan- A-tan- B

L.H.S. = tan A+tan B/cot A+ cot B tan A + tan B/1/tan A + 1/tan B = tan A +tan B /tan A + tan B/tan A tan B =tan A tan B = R.H.S. ...

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Trigonometric Identities

Prove that: t...

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Prove that:

$\frac{t a n A + t a n B}{c o t A + c o t B} = t a n A t a n B$

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