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September 20, 2014

September 20, 2014

Posted by **mike** on Wednesday, May 30, 2012 at 6:59am.

sinx/2=square root of 2- sinx/2

- trig -
**Reiny**, Wednesday, May 30, 2012 at 7:42amI read that as

sin (x/2) = √2 - sin(x/2)

2sin(x/2) = √2

sin(x/2) = √2/2

x/2 = 45° or 135°

x = 90° or x = 270°

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