| 1 |
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| 2 |
- 72° = ___________________: |
- A.
- B.
- C.
- D. none of these
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| 3 |
cos<sup>4</sup>Θ - sin<sup>4</sup>Θ = |
- A. sin 2Θ
- B. cos 2Θ
- C. tan 2Θ
- D. sec 2Θ
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| 4 |
If sin α < 0 and cos α > 0, then α lies in: |
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| 5 |
The quadrant of an angle Θ is determined by its: |
- A. sign
- B. value
- C. ratio
- D. magnitude
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| 6 |
(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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| 7 |
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| 8 |
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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| 9 |
1 radian is equal to: |
- A.
- B.
- C. 180°
- D. none of these
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| 10 |
Which one is not a quadrant angle ? |
- A. 0°
- B. 90°
- C. 280°
- D. 270°
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