document.write( "Question 960277: Write a cosine function with a period of 4pi then graph it. \n" ); document.write( "
Algebra.Com's Answer #586937 by Fombitz(32388)\"\" \"About 
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\"y=cos%28x%2F2%29\"
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\n" ); document.write( "\"graph%28300%2C300%2C-10%2C10%2C-2%2C2%2Ccos%28x%2F2%29%29\"\r
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