SOLUTION: find the measure of angle x in the interval 180 is greater than or equal to x greater than or equal to 270 that satisfies the equation 2cosx+1=0

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Question 616705: find the measure of angle x in the interval 180 is greater than or equal to x greater than or equal to 270 that satisfies the equation 2cosx+1=0
Answer by solver91311(24713) About Me  (Show Source):
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No such interval. No value of can satisfy . I'm pretty sure you meant , i.e. the third quadrant.



Solve for



Refer to the unit circle:



Find a 3rd quadrant angle where the terminal ray intersects the unit circle in a point with an -coordinate.

John

My calculator said it, I believe it, that settles it
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