5
Answer: ASet 1: Trigonometry (Beginner)
Explanation
PROBLEM
If angle A = 45 degrees, what is its complement?
If angle A = 45 degrees, what is its complement?
A.✓ Correct
45 degrees
B.
135 degrees
C.
45 degrees
D.
135 degrees
Detailed Explanation
Choice A is the best answer. Complement = 90 - 45 = 45 degrees
Why others are wrong:
B: 135 degrees is incorrect because it does not satisfy the equation.
C: 45 degrees is incorrect because it does not satisfy the equation.
D: 135 degrees is incorrect because it does not satisfy the equation.