document.write( "Question 918971: Find the reference number of t = 11π/7 and t = 11π/5?
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\n" ); document.write( "\n" ); document.write( "the reference number is the shortest arc length from Pt to the x-axis. \r
\n" ); document.write( "\n" ); document.write( "pleas help
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Algebra.Com's Answer #557363 by Edwin McCravy(20056)\"\" \"About 
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