the angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60degree and 30degree respectively. if the distances of the top and the bass of the tower from the mobile handset are 15metre and 8metre respectively, find from the height of the tower.

Answer 1

Draw a diagram and review your basic trig functions. It should be clear that the height is

15 sin60° + 8 sin30°

Answer 2

Cos 10°