a vertical Tower stands on a horizontal plane and is surmounted by a vertical flagstaff height age at a point on the plane the angle of elevation of the bottom and top flagstaff alpha and beta respectively prove that the height of the tower is a
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A vertical tower stands on a horizontal plane and is surmounted by a vertical flagstaff of height h. at a point on the plane, the angles of elevation of the bottom and 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.
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