6
Answer: DSet 4: Trigonometry (Beginner)
Explanation
PROBLEM
Intriguingly, if angle A = 45 degrees, what is its complement?
If angle A = 45 degrees, what is its complement?
A.
135 degrees
B.
45 degrees
C.
135 degrees
D.✓ Correct
45 degrees
Detailed Explanation
[Variation 2] Choice D is the best answer. Complement = 90 - 45 = 45 degrees
Why others are wrong:
A: 135 degrees is incorrect because it does not satisfy the equation.
B: 45 degrees is incorrect because it does not satisfy the equation.
C: 135 degrees is incorrect because it does not satisfy the equation.