Set 1: Trigonometry (Beginner)

**Choice A is the best answer.** Complement = 90 - 15 = 75 degrees

Explanation

Answer: A

PROBLEM

If angle A = 15 degrees, what is its complement?

75 degrees

✓ Correct

15 degrees

105 degrees

165 degrees

Detailed Explanation

Choice A is the best answer. Complement = 90 - 15 = 75 degrees

Why others are wrong:

B: 15 degrees is incorrect because it does not satisfy the equation.

C: 105 degrees is incorrect because it does not satisfy the equation.

D: 165 degrees is incorrect because it does not satisfy the equation.