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September 2, 2014

September 2, 2014

Posted by **Anonymous** on Sunday, March 16, 2014 at 4:35pm.

sin2x=cosx

- Trigonometry -
**Steve**, Sunday, March 16, 2014 at 4:37pm2sinx cosx = cosx

cosx(2sinx-1) = 0

so, where do you have

cosx = 0

sinx = 1/2

??

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