| 1 |
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| 2 |
2 sin α cos ß = |
- A. sin (α + ß) - sin (α - ß)
- B. cos (α + ß) + cos (α - ß)
- C. sin (α + ß) + sin (α - ß)
- D. cos (α + ß) - cos (α - ß)
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| 3 |
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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| 4 |
A reference angle Θ is always: |
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| 5 |
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| 6 |
sin5Θ + sin3Θ is equal to: |
- A. 2cos 2Θ sin Θ
- B. -2 cos 4Θ sin Θ
- C. -2 sin 4Θ cos Θ
- D. 2 sin 4Θ cos Θ
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| 7 |
tan (270° + Θ) is equal: |
- A. cot Θ
- B. tan Θ
- C. -cot Θ
- D. -tan Θ
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| 8 |
sin (α + ß) = |
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| 9 |
Cot1°, Cot2°, Cot3°, .......... Cot89° = |
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| 10 |
Tan (294°) = |
- A. tan24°
- B. -tan24°
- C. cot24°
- D. -cot24°
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