a vert6ical tower stands ona horizontal plane and is surmounted by a vertial flag staff of height h.At a point on the plane,the angle of elevation of bottom of the flag staff is 'A' and that of the top of the flag staff is 'B'.Prove that the height of the tower is htanA/tanB-tanA.

Asked by ajan. m.j. | 18th Dec, 2013, 04:34: PM

Expert Answer:

Answered by  | 18th Dec, 2013, 04:54: PM

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