| 1 |
A reference angle Θ is always: |
|
| 2 |
|
- A. quad I
- B. quad. II
- C. quad. III
- D. quad. IV
|
| 3 |
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)
|
| 4 |
|
- A.
- B.
- C.
- D. none of these
|
| 5 |
Tan (294°) = |
- A. tan24°
- B. -tan24°
- C. cot24°
- D. -cot24°
|
| 6 |
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
|
| 7 |
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
|
| 8 |
|
|
| 9 |
tan (270° + Θ) is equal: |
- A. cot Θ
- B. tan Θ
- C. -cot Θ
- D. -tan Θ
|
| 10 |
|
- A. quad. I
- B. quad. II
- C. quad. III
- D. quad. IV
|