If the median AD of triangle ABC be perpendicular to AB then prove that tan A + 2tan B = 0
(I think in above problem it should be BC in place of AB)

Dear student,

Yes it should be Bc rather than AB..

Once you do this correction, then it becomes a simple question...

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

sagarsingh24.iitd@gmail.com

Ans is zero it can be proved using sine rule in the two triangles triangle ADC anf Triangle ABCin tri ABC,. (SinA )/BC. = (SinB ) / ACin tri ADC , (Sin (A-90))/DC = (Sin(B+90))/ACsolve it you get the answer.