| 1 |
2 cos α cos ß = |
- A. sin (α + ß) - sin (α - ß)
- B. cos (α + ß) - cos (α - ß)
- C. cos (α + ß) + cos (α - ß)
- D. sin (α + ß) + sin (α - ß)
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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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- A. 1 + cos Θ
- B. 1 - cos Θ
- C.
- D.
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| 4 |
Cot1°, Cot2°, Cot3°, .......... Cot89° = |
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| 5 |
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| 6 |
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| 7 |
sec (2π + Θ), where Θ is a basic angle will have terminal side in: |
- A. quad. I
- B. quad. II
- C. quad. III
- D. quad. IV
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| 8 |
sin (α + ß) = |
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| 9 |
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| 10 |
csc (2π - Θ), where Θ is a basic angle, will have terminal side in: |
- A. quad. I
- B. quad. II
- C. quad. III
- D. quad. IV
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