document.write( "Question 911942: I need help. How do I sketch the graph of y= cos x in the interval 0 < x < 4π \n" ); document.write( "
Algebra.Com's Answer #553465 by stanbon(75887)\"\" \"About 
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I need help. How do I sketch the graph of y= cos x in the interval 0 < x < 4π
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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