5
QuizMultiple Choice

Solving Trigonometric Equations — Quiz

Question 5 • Precalculus

Which is equivalent to cosine inverse of 0 point 1 7 ? Round your answer to the nearest hundredth of a radian.

Answer
A
5 point 8 8
B
1 point 4 0
C
0 point 9 2
D
0 point 9 9

Explanation

The inverse cosine asks for the angle whose cosine is 0.17. Calculating arccos(0.17) gives approximately 1.399 radians, which rounds to 1.40 radians to the nearest hundredth. Therefore, the equivalent value is 1.40.

AI-written and checked against the verified answer.

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