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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Sagar Singh
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							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.