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

Question 54

Multiple Choice

Use a calculator to solve the equation on the interval 0 0≤θ<2π0 \leq \theta < 2 \pi . Round the answer to two decimal places.
- cos⁡θ=−0.55\cos \theta = - 0.55


A) 2.15, 4.13
B) 0.99, 2.15
C) 0.99, 4.13
D) 2.15, 5.29

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