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1

Set 1: Trigonometry (Beginner)

Explanation

Answer: B

PROBLEM

If angle A = 30 degrees, what is its complement?

If angle A = 30 degrees, what is its complement?

A.

120 degrees

B.

60 degrees

✓ Correct
C.

150 degrees

D.

30 degrees

Detailed Explanation

Choice B is the best answer. Complement = 90 - 30 = 60 degrees

Why others are wrong:
A: 120 degrees is incorrect because it does not satisfy the equation.
C: 150 degrees is incorrect because it does not satisfy the equation.
D: 30 degrees is incorrect because it does not satisfy the equation.
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