tan (A + B )/ cot (A- B ) = sin ^2 A - sin ^2 B / cos ^2 A - cos^2 B search
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Prove that :tan(A+ B)cot(A-B)=sin2A-sin2Bcos2A-sin2B. Related Videos. VIEW ALL · `(sin(4. 1-2beta)+sin(4B- ...
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