| 1 |
In circular system the angle is measured in: |
- A. radians
- B. degrees
- C. degrees, minutes
- D. degrees, seconds
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| 2 |
- 72° = ___________________: |
- A.
- B.
- C.
- D. none of these
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| 3 |
To convert any angle in degrees into radians, we multiply the measure by: |
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| 4 |
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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| 5 |
The direction of an angle Θ is determined by its: |
- A. value
- B. magnitude
- C. ratio
- D. sign
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| 6 |
In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center: |
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| 7 |
Which one is a quadrant angle ? |
- A. 60°
- B. 180°
- C. 120°
- D. 30°
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| 8 |
1 radian is equal to: |
- A.
- B.
- C. 180°
- D. none of these
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| 9 |
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant: |
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| 10 |
(1 - cos<sup>2</sup>Θ) (1 + cot<sup>2</sup>Θ) = |
- A. tan<sup>2</sup>Θ
- B. 0
- C. 1
- D. -1
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