Class 10 Maths · Some Applications of Trigonometry · NCERT Exercise 8.4 · Question 8
A vertical tower stands on a horizontal plane and is surmounted by a vertical flag staff of height h. At a point on the plane, the angles of elevation of the bottom and the top of the flag staff are alpha and beta, respectively. Prove that the height of the tower is (h tan alpha) / (tan beta - tan alpha).
Answer
Height of the tower , as required.
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