Trigonometry
Top questions
See all →- prove that sin^2θ/cosθ+cosθ=secθ Solution is in img format 2
- A kite is flying at a height of 60 m above the ground. The string attached to the kite is tied at the ground. It makes an angle of 60° with the ground. Given data: Height of kite above the ground: 60 m Angle between the string and the ground: 60° Formula used: sine function: sin(angle) = opp... 1
- A storm broke a tree and the treetop rested 20 m from the base of the tree, making an angle of 60° with the horizontal. Find the height of the tree. Correct Answer is 40+20√3 m 1
- Two poles of heights 18 metre and 7 metre are erected on a ground. The length of the wire fastened at their tops in 22 metre Correct answer is 30 degree 1
- Two buildings are facing each other on a road of width 12 metre. From the top of the first building, which is 10 metre high, the angle of elevation See image for answer 2
- From the top of a lighthouse, an observer looking at a ship makes angle of depression of 60°. If the height of the lighthouse is 90 metre Correct Answer is 51.9 m 1