document.write( "Question 936235: How can I prove this?
\n" ); document.write( "[cos(x)*cotg(x) - sin(x)*tg(x)] / [csc(x) - sec(x)] = 1+sin(x)*cos(x)
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Algebra.Com's Answer #570048 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
They are not equal (graph them if you are not convinced) \n" ); document.write( "
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