document.write( "Question 199454: Find all value of t in interval [0,2pie]
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Algebra.Com's Answer #149872 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
http://www44.wolframalpha.com/input/?i=cos+(t%2F4)%3D+(3%2F2)^(1%2F2)\r
\n" ); document.write( "\n" ); document.write( "This curve between 0 and 2*pi [0, 6.28]
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