Use a calculator to solve the equation on the interval 0 $0 \leq \theta

Name: Use a calculator to solve the equation on the interval 0 $0 \leq \theta < 2 \pi$ . Round the answer to two decimal places. -$\cos \theta = 0.92$ A) 0.40, 2.74 B) 0.40, 5.88 C) 0.40, 1.97 D) 0.40, 3.54
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Question

Use a calculator to solve the equation on the interval 0 $0 \leq \theta < 2 \pi$ . Round the answer to two decimal places.
-$\cos \theta = 0.92$
A) 0.40, 2.74
B) 0.40, 5.88
C) 0.40, 1.97
D) 0.40, 3.54

Quizplus · Accepted Answer

The cosine function is positive in the first and fourth quadrants. Using a calculator, $\theta = \cos^{-1}(0.92) \approx 0.40$. The corresponding angle in the fourth quadrant is $2\pi - 0.40 \approx 5.88$.

Use a Calculator to Solve the Equation on the Interval 0≤θ<2π0 \leq \theta < 2 \pi0≤θ<2π

Use a Calculator to Solve the Equation on the Interval $0 \leq \theta < 2 \pi$