document.write( "Question 1173744: The CAST Rule describes for a quadrant which ratios have positive values. Describe why the tangent ratio is positive only in quadrants I and III. \n" ); document.write( "
Algebra.Com's Answer #799046 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "About the CAST rule, see this web-site\r
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\n" ); document.write( "\n" ); document.write( "http://mathonline.wikidot.com/cast-rule\r
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\n" ); document.write( "\n" ); document.write( "and find there nice explanations to everything you need.\r
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