Question 1 of 5: Find the reference angle.
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
$$40°$$
B
$$50°$$
C
$$30°$$
D
$$55°$$
E
$$65°$$
Question 2 of 5: Find the reference angle.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$5°$$
B
$$45°$$
C
$$55°$$
D
$$25°$$
E
$$35°$$
Question 3 of 5: Find the exact value of each.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{2\sqrt{3}}{3}$$
B
$$\frac{\sqrt{3}}{2}$$
C
$$\frac{1}{2}$$
D
$$-\sqrt{2}$$
E
$$\sqrt{3}$$
Question 4 of 5: Find the exact value of each.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{1}{2}$$
B
$$-\frac{1}{2}$$
C
$$-2$$
D
$$-\frac{2\sqrt{3}}{3}$$
E
$$\sqrt{3}$$
Question 5 of 5: Evaluate each.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\frac{\sqrt{2}}{3}$$
B
$$1$$
C
$$-\sqrt{2}$$
D
$$-1$$
E
$$-\frac{\sqrt{3}}{2}$$
