document.write( "Question 33115: express as the confunction of a positive acute angle not using a calculator of ctn 250 degrees. \n" ); document.write( "
Algebra.Com's Answer #20171 by venugopalramana(3286)\"\" \"About 
You can put this solution on YOUR website!
COT(250)=COT(180+70)=COT(70)....SINCE COT IS POSITIVE IN III QUADRANT..COT(180+X)=COT(X) \n" ); document.write( "
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