AB is a vertical wall and B is on the ground. A ladder AC is resting at point C on the ground. If ∠ACB = 60°, BC = 3m, then find the length of the ladder.

The upper part of a tree is broken over by the strong wind makes an angle of 30° with the ground. The top of the broken tree meets the ground at a distance of 25 m from the foot of the tree. Find the original height of the tree.

An electric pole is 10 m high. A steel wire tied to the top of the pole is affixed at a point on the ground to keep the pole upright. If the steel wire makes an angle of 45° with the horizontal through the foot of the pole. Find the length of the steel wire.

A circus artist climbs on a rope which is tied between the top of a pole and a fixed point on the level ground. The height of the pole is 12 m and the rope makes an angle of with the ground. Find the distance covered by the artist to climb to the top of the pole. [sinθ= 0.5783]