Trigonometryeasy · Past Paper
Which of the following is equivalent to (1/sec θ)?
Asin θ
Btan θ
Ccos θ
Dcot θ
✓ Correct Answer: C — cos θ
Secant is the reciprocal of cosine, so 1/sec θ = cos θ.
Share this question
More from Trigonometry
- The value of (cosec²θ - cot²θ) is:
- A pole casts no shadow when the sun is directly overhead. What is the angle of elevation?
- From a point on ground, the elevation of a tower is θ. After walking a distance 'a' towards it, elevation is 45°, and after 'b' more, it is 90-θ. Height is:
- A ladder leans against a wall at 60. If the foot is pulled 2 m, it makes 30. Ladder length?
- If tan θ + cot θ = 2, find the value of tan²θ + cot²θ.