Question 1 of 5: Solve for all solutions.
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
$$\frac{π}{2}+ 2πn < x < \frac{2π}{3}+ 2πn$$ $$\text{or}$$ $$\frac{4π}{3}+ 2πn < x < \frac{3π}{2}+ 2πn$$
B
$$\frac{2π}{3}+ 2πn < x < \frac{4π}{3}+ 2πn$$
C
$$\frac{2π}{3}+ 2πn < x < \frac{4π}{3}+ 2πn$$ $$\text{or}$$ $$\frac{3π}{2}+ 2πn < x < \frac{5π}{2}+ 2πn$$
D
$$\text{No Solution}$$
E
$$\frac{7π}{6}+ 2πn < x < \frac{11π}{6}+ 2πn$$
Question 2 of 5: Solve for all solutions.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{5π}{6}+ πn ≤ x ≤ \frac{3π}{2}+ πn$$
B
$$\frac{5π}{6}+ πn < x < \frac{3π}{2}+ πn$$
C
$$\text{No Solution}$$
D
$$\frac{π}{3}+ πn < x < \frac{π}{2}+ πn$$
E
$$\frac{π}{2}+ πn < x < \frac{5π}{6}+ πn$$
Question 3 of 5: Solve for all solutions.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\text{No Solution}$$
B
$$\frac{3π}{2}+ 2πn < x < \frac{19π}{6}+ 2πn$$
C
$$\frac{7π}{6}+ 2πn < x < \frac{3π}{2}+ 2πn$$
D
$$\frac{π}{6}+ 2πn < x < \frac{5π}{6}+ 2πn$$
E
$$\frac{2π}{3}+ 2πn < x < \frac{4π}{3}+ 2πn$$
Question 4 of 5: Solve for all solutions.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{π}{4}+ 2πn ≤ x ≤ \frac{3π}{4}+ 2πn$$
B
$$\text{No Solution}$$
C
$$\frac{3π}{4}+ 2πn ≤ x ≤ π + 2πn$$ $$\text{or}$$ $$\frac{5π}{4}+ 2πn ≤ x ≤ 2π + 2πn$$
D
$$2πn ≤ x ≤ \frac{3π}{4}+ 2πn$$ $$\text{or}$$ $$π + 2πn ≤ x ≤ \frac{5π}{4}+ 2πn$$
E
$$\frac{2π}{3}+ 2πn ≤ x ≤ \frac{4π}{3}+ 2πn$$
Question 5 of 5: Solve for all solutions.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{7π}{3}+ 4πn < x < \frac{11π}{3}+ 4πn$$
B
$$\frac{11π}{3}+ 4πn < x < \frac{19π}{3}+ 4πn$$
C
$$\frac{5π}{12}+ 4πn < x < \frac{19π}{12}+ 4πn$$
D
$$\text{No Solution}$$
E
$$\frac{π}{3}+ 4πn < x < \frac{2π}{3}+ 4πn$$ $$\text{or}$$ $$\frac{5π}{3}+ 4πn < x < \frac{11π}{6}+ 4πn$$
