Prove the following Identities tan- - tan- - - - tan-tan-

Taking L.H.S #160; tanα +tanβcotα +cotβ =tanα +tanβ1tanα+1tanβ =tanα tanβ (tanα +tanβ )tanβ +tanα =(tanα) (tanβ) =R.H.S ...

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General Solution of Trigonometric Equation

Prove the fol...

Question

Prove the following Identities
$\frac{tan α + tan β}{cot α + cot β} = tan α tan β$

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