Question 1 of 5: Find the exact value:
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
$$2$$
B
$$1$$
C
$$-\frac{2\sqrt{3}}{3}$$
D
$$-1$$
E
$$\frac{1}{2}$$
Question 2 of 5: Find the exact value:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$-\frac{1}{2}$$
B
$$-\frac{\sqrt{3}}{3}$$
C
$$\frac{2\sqrt{3}}{3}$$
D
$$-1$$
E
$$1$$
Question 3 of 5: Find the exact value:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$0$$
B
$$1$$
C
$$-1$$
D
$$\text{Undefined}$$
E
$$\frac{\sqrt{3}}{3}$$
Question 4 of 5: Find the exact value:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$-2$$
B
$$-\frac{3}{2}$$
C
$$1$$
D
$$\frac{\sqrt{2}}{2}$$
E
$$0$$
Question 5 of 5: Find the exact value:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{\sqrt{3}}{3}$$
B
$$-\sqrt{2}$$
C
$$\frac{\sqrt{2}}{2}$$
D
$$-1$$
E
$$\sqrt{2}$$
