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April 20, 2015

April 20, 2015

Posted by **don** on Wednesday, November 2, 2011 at 10:02pm.

- Trig -
**Reiny**, Wednesday, November 2, 2011 at 10:10pm2 cos √x = 1

cos √x = 1/2

√x = π/3 or √x = 5π/3

x = π^2/9 or x = 25π^2/9

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