| 1 |
- 72° = ___________________: |
- A.
- B.
- C.
- D. none of these
|
| 2 |
cos<sup>4</sup>Θ - sin<sup>4</sup>Θ = |
- A. sin 2Θ
- B. cos 2Θ
- C. tan 2Θ
- D. sec 2Θ
|
| 3 |
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
|
| 4 |
In circular system the angle is measured in: |
- A. radians
- B. degrees
- C. degrees, minutes
- D. degrees, seconds
|
| 5 |
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| 6 |
To convert any angle in degrees into radians, we multiply the measure by: |
|
| 7 |
In a triangle if α > 45°, ß > 30° then Γ cannot be: |
- A. 90°
- B. 100°
- C. 120°
- D. 10°
|
| 8 |
Which one is a quadrant angle ? |
- A. 60°
- B. 180°
- C. 120°
- D. 30°
|
| 9 |
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| 10 |
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant: |
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