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Nirabhra Agrawal Grade: 12
        


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)


6 years ago

Answers : (2)

SAGAR SINGH - IIT DELHI
879 Points
										

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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6 years ago
gautam gangadar
15 Points
										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.
										
2 days ago
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