3
Answer: ASet 2: Trigonometry (Advanced)
Explanation
PROBLEM
What is the reference angle for 150 degrees?
What is the reference angle for 150 degrees?
A.✓ Correct
30 degrees
B.
60 degrees
C.
150 degrees
D.
150 degrees
Detailed Explanation
Choice A is the best answer. Reference angle for 150 degrees is 30 degrees
Why others are wrong:
B: 60 degrees is incorrect because it does not satisfy the equation.
C: 150 degrees is incorrect because it does not satisfy the equation.
D: 150 degrees is incorrect because it does not satisfy the equation.