Trigonometrymedium · Past Paper
If cosec θ = 2, find the value of (cot θ + sin θ).
A√3 + 1/2
B2 + √3
C1 + √2
D0
✓ Correct Answer: A — √3 + 1/2
cosec θ = 2 means θ = 30°. cot 30 = √3, sin 30 = 1/2. Sum = √3 + 1/2.
Share this question
More from Trigonometry
- A kite is flying at a height of 75 m. If the string makes an angle of 30° with the ground, find the string length.
- From a point P on the ground, the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top. The angle of elevation of the top of the flag is 45°. Find the length of the flag.
- A man 1.5 m tall is 28.5 m away from a tower 30 m high. What is the angle of elevation of the top of the tower from his eye?
- Two poles of equal heights are standing opposite to each other on either side of a 100 m road. From a point between them, the elevations are 30° and 60°. Find the pole height.
- What is the value of sin 10° sin 50° sin 70°?