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Set 4: Trigonometry (Intermediate)

Explanation

Answer: D

PROBLEM

It is well-documented that what is the reference angle for 330 degrees?

What is the reference angle for 330 degrees?

A.

150 degrees

B.

60 degrees

C.

330 degrees

D.

30 degrees

✓ Correct

Detailed Explanation

[Variation 5] Choice D is the best answer. Reference angle for 330 degrees is 30 degrees

Why others are wrong:
A: 150 degrees is incorrect because it does not satisfy the equation.
B: 60 degrees is incorrect because it does not satisfy the equation.
C: 330 degrees is incorrect because it does not satisfy the equation.
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