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Friday, July 2, 2010

to some one

sin y+ cos y= 1
If you square it, sure you already change it already.
so, you have to check it, some answer maybe rejected.

example :
0.3 + 0.7 = 1
if you square both, sure become
0.09 + 0.49 and not = 1.
above just only a draff sample

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