Thread: Help please!!!!
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Old October 9th, 2008, 10:21 AM
franckherve1 franckherve1 is offline
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Default ah ok thanks what happens when you have cos45? For example; - 2 x (x+2) x 4 x cos45.

cos45=((square root)2)/2 when you multiply by -2..you will have -(square root)2
=4x+8-(square root)2
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