| 1 |
Which one is a quadrant angle ? |
- A. 60°
- B. 180°
- C. 120°
- D. 30°
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| 2 |
If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then: |
- A. s = rα
- B. s = r + α
- C.
- D. none of these
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| 3 |
To convert any angle in radians into degrees, we multiply the measure by: |
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| 4 |
If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in: |
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| 5 |
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- A. 30°
- B. 45°
- C. 60°
- D. 75°
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| 6 |
To convert any angle in degrees into radians, we multiply the measure by: |
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| 7 |
The quadrant of an angle Θ is determined by its: |
- A. sign
- B. value
- C. ratio
- D. magnitude
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| 8 |
(1 - sin<sup>2</sup>Θ) (1 + tan<sup>2</sup>Θ) = |
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| 9 |
180° = _____________: |
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| 10 |
The area of a sector of a circular region of radius r with length of the arc of the sector equal to s is-----------: |
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