Some Application Of Trigonometry For Class 10

Trigonometry involves the relationships between the lengths and angles of triangles. It has various application such as in astronomy, in calculating the distance from Earth to the stars or planet, in navigation, to construct maps, determining the position of an island in relation to the latitudes and longitudes etc.

Heights and Distances-

Some Application Of Trigonometry For Class 10

The line of sight AC is from the observer to the top of the minar. The angle CAB is the angle of elevation, when an observer view from the horizontal.

Some Application Of Trigonometry For Class 10

The angle of depression of a point on the object being viewed from the top of a building is the angle formed by the line of sight with the horizontal.

Some Application Of Trigonometry For Class 10

Some Application Of Trigonometry For Class 10


Practise This Question

There is a circular swimming pool. There is a bob at the centre of the pool at a distance of 50π m from the pool’s wall. Shyam is standing next to the

wall and holding a thread whose other end is connected to the heavy stationary bob at the centre. Holding the thread Shyam now moves along the wall for 20

seconds and the angle between the initial and final positions of the thread is 12. What is Shyam’s speed in metres/minute?