document.write( "Question 1130401: (cos2x+sin2x)^2=1+sin4x \n" ); document.write( "

Algebra.Com's Answer #747075 by ikleyn(52833) $\"\"$ $\"About$

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document.write( " =  =  +  = 1 + 4*sin(2x).\r\n" );
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