SOLUTION: Find all angles θ between 0 and 180 satisfying the given equation. Round your answer to one decimal place. (Enter your answers as a comma-separated list.) cos(θ) = &#8

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Question 1125504: Find all angles θ between 0 and 180 satisfying the given equation. Round your answer to one decimal place. (Enter your answers as a comma-separated list.)
cos(θ) = − 2/5
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!



,
Answer by ikleyn(52798)   (Show Source): You can put this solution on YOUR website!
.
The correct answer is THIS :


    the given equation has only one solution   = 113.6  between  0  and  180.


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