SOLUTION: square root 2 cosx minus 1 equals 0 with interval of 0 and 2pi

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Question 858476: square root 2 cosx minus 1 equals 0 with interval of 0 and 2pi
Answer by solver91311(24713) About Me  (Show Source):
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Check the unit circle for the angle of the terminal ray where the point of intersection
with the unit circle has an -coordinate of positive . Hint: Look in QI and QIV.

John

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