AnswersAP Calculus AB - MA5186 ASolving Trigonometric Equations — Unit testQuestion 17
17
QuizMultiple Choice

Solving Trigonometric Equations — Unit test

Question 17 • AP Calculus AB - MA5186 A

This question is designed to be answered with a calculator.Which are the solutions to the equation cos x = 0.9 over the interval 0 ≤ x ≤ π?

Answer
A
0.451 only
B
0.622 only
C
0.451 and 2.691
D
0.622 and 2.520
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