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December 8, 2016

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 = ð/4 + 2nð or x = 7ð/4 + 2nð
B) x = 3ð/4 + 2nð or x = 5ð/4 + 2nð
C) x = ð/4 + nð or x = 7ð/4 + nð
D) x = 3ð/4 + nð or x = 5ð/4 + nð

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