document.write( "Question 900808: Hi,\r
\n" ); document.write( "\n" ); document.write( "Identify graph\r
\n" ); document.write( "\n" ); document.write( "y = 2 sin(4x)\r
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\n" ); document.write( "\n" ); document.write( "y = cos(x + pi/4)
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Algebra.Com's Answer #546160 by richwmiller(17219)\"\" \"About 
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