Trigonometry

Applications of Trigonometry Heights and Distances ncert solutions Chapter 9 Exercise 9.1 Question 15
October 10, 2012  Author: Jashan
Applications of Trigonometry Heights and Distances Chapter 9 Exercise 9.1 Question 15
15. A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60. Find the time taken by the car to reach the foot of the tower from this point.
Posted in : NCERT Solutions, Trigonometry
Tags : One Comment

Applications of Trigonometry Heights and Distances ncert solutions Chapter 9 Exercise 9.1 Question 14
 Author: Jashan
Applications of Trigonometry Heights and Distances Chapter 9 Exercise 9.1 Question 14
14. A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60. After some time, the angle of elevation reduces to 30. Find the distance traveled by the balloon during the travel.
Posted in : NCERT Solutions, Trigonometry
Tags :
No Comments

Applications of Trigonometry Heights and Distances ncert solutions Chapter 9 Exercise 9.1 Question 13
October 9, 2012  Author: Jashan
Applications of Trigonometry Heights and Distances Chapter 9 Exercise 9.1 Question 13
13. As observed from the top of a 75 m high lighthouse from the sealevel, the angles of depression of two ships are and . If one ship is exactly behind the other on the same side of the lighthouse, find the distance between the two ships.
Posted in : NCERT Solutions, Trigonometry
Tags :
No Comments