Trigonometryeasy · Past Paper
Simplify: sin² θ / (1 - cos² θ).
A1
B0
Ctan² θ
Dcot² θ
✓ Correct Answer: A — 1
Since 1 - cos² θ = sin² θ, the fraction is sin² θ / sin² θ = 1.
Share this question
More from Trigonometry
- From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Find the tower height.
- Two poles 12 m and 18 m high stand vertically. If the string connecting their tops makes 30° with horizontal, find distance between them.
- A person standing on the bank of a river observes the angle of elevation of a tree on the opposite bank as 60°. When he moves 40 m away, it becomes 30°. Width of river?
- The expression 2 cos^2(theta/2) - 1 is equal to:
- If A + B = 45, then (1 + tan A)(1 + tan B) = ?