**Q3: **

Find the set of values satisfying where .

- A
- B
- C
- D
- E

**Q4: **

Find the set of values satisfying where .

- A
- B
- C
- D

**Q5: **

Find the set of values satisfying given .

- A
- B
- C
- D
- E

**Q6: **

Find the set of values satisfying given .

- A
- B
- C
- D
- E

**Q7: **

Find in degrees given where is the smallest positive angle.

**Q8: **

Find in degrees given where is the smallest positive angle.