Trigonometrymedium · Past Paper
If cos θ = 4/5, find the value of tan²θ.
A9/16
B16/9
C3/4
D4/3
✓ Correct Answer: A — 9/16
b=4, h=5, so p=3. tan θ = 3/4, tan²θ = 9/16.
Share this question
More from Trigonometry
- The expression 4 cos^3 A - 3 cos A equals:
- What is (1 + tan^2(x)) equal to?
- What is sin(A - B) cos B + cos(A - B) sin B?
- The angle of depression of a car from a 10 m high building is 45°. How far is the car from the building?
- A balloon is connected to ground by a 100 m string. If it makes 60° with ground, height is: