1 |
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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2 |
If the initial side of an angle is the positive x-axis and the vertex is at the origin, the angle is said to be in the _____________: |
- A. initial position
- B. finalposition
- C. normalposition
- D. standardposition
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3 |
The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the: |
- A. circular system
- B. sexagesimal system
- C. decimal system
- D. degree system
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4 |
Which one is not a quadrant angle ? |
- A. 0°
- B. 90°
- C. 280°
- D. 270°
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5 |
If sin α < 0 and cos α > 0, then α lies in: |
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6 |
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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7 |
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant: |
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8 |
(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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9 |
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- A. 30°
- B. 45°
- C. 60°
- D. 75°
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10 |
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