| 1 |
If an angle α is allied to an angle ß, then α ± ß = __________: |
- A. 90°
- B. multiple of 90°
- C. 180°
- D. multiple of 180°
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| 2 |
The angles 90°±Θ, 180°±Θ, 270°±Θ, 360°±Θ, are the: |
- A. composite angles
- B. half angles
- C. quadrantal angles
- D. allied angles
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| 3 |
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| 4 |
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- A. quad. I
- B. quad. II
- C. quad. III
- D. quad. IV
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| 5 |
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- A. - cot Θ
- B. - tan Θ
- C. tan Θ
- D. none of these
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| 6 |
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| 7 |
The distance between the points P(x1, y1) and Q(x2, y2) is: |
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| 8 |
Cot1°, Cot2°, Cot3°, .......... Cot89° = |
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| 9 |
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- A.
- B.
- C.
- D. none of these
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| 10 |
-2 sin α sin ß = |
- A. sin (α + ß) + sin (α - ß)
- B. cos (α + ß) + cos (α - ß)
- C. cos (α + ß) - cos (α - ß)
- D. cos (α - ß) + cos (α - ß)
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