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August 1, 2015

Homework Help: Trig

Posted by Jus on Sunday, May 31, 2009 at 12:05pm.

The angle 2x lies in the fourth quadrant such that cos2x=8/17.

1.Which quadrant contains angle x?
2. What is the measure of x, in radians?

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I know that angle 2x is in quadrant 4, but quadrant x...? I am not sure where it is and how to get the measure of it in radians.

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