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View Full Version : TRigonometry squared because


rmn
Sep 15, 2007, 04:04 PM
How do u get rid of squared because

galactus
Sep 15, 2007, 05:03 PM
Why don't you post your problem? :rolleyes:

There can be different ways to go about it.

The identity cos^{2}(x)=1-sin^{2}(x) may prove useful.