16
QuizMultiple Choice

Angle Relationships

Question 16 • Applications and Modeling

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.The cosine of the complimentary angle to 57°

Answer
A
0.98
B
0.13
C
-0.01
D
0.84

Explanation

The complementary angle to 57° is 90° − 57° = 33°. Then cos(33°) ≈ 0.8387, which rounds to 0.84. The correct choice is d, 0.84.

AI-written and checked against the verified answer.

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