document.write( "Question 765045: Determine the sign of cos pi divided by seven.\r
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Algebra.Com's Answer #467687 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
1) pi/7 is in quad I and all trig functions are positive there, so positive\r
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\n" ); document.write( "\n" ); document.write( "2) cot is negative in II
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