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April 19, 2014

Homework Help: trig

Posted by Steve on Thursday, December 17, 2009 at 9:31pm.

Find all solutions of the equation:

2 cosx + sqrt2 = 0



A) x = /4 + 2n or x = 7/4 + 2n
B) x = 3/4 + 2n or x = 5/4 + 2n
C) x = /4 + n or x = 7/4 + n
D) x = 3/4 + n or x = 5/4 + n

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