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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 8 - Introduction to Trigonometry > 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 α and β , respectively. Prove that the height of the tower is ( h tanα /tanβ−tanα)

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 α and β , respectively. Prove that the height of the tower is ( h tanα /tanβ−tanα)

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 respectively. Prove that the height of the tower is ( h tanα /tanβ−tanα) the angles of elevation of the bottom and the top of the flag staff are α and β