MATHEMATICS · Multi-part · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry
Problem
From the top of a vertical cliff, the angles of depression of a boat at two positions in the same straight line are observed to be 30° and 60° respectively. The boat sails 200 m directly towards the cliff between the two observations.
Answer the following:
(a) Find the height of the cliff.
(b) Calculate the horizontal distance of the boat from the foot of the cliff at the first observation.