document.write( "Question 386703: Which one of these are impossible?
\n" ); document.write( "a.) tan theta= 0
\n" ); document.write( "b.) cot theta= 18/19
\n" ); document.write( "c.) sec theta= -4/3
\n" ); document.write( "d.) cos theta= 13/12
\n" ); document.write( "

Algebra.Com's Answer #273335 by stanbon(75887)\"\" \"About 
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Which one of these are impossible?
\n" ); document.write( "a.) tan theta= 0
\n" ); document.write( "b.) cot theta= 18/19
\n" ); document.write( "c.) sec theta= -4/3
\n" ); document.write( "d.) cos theta= 13/12
\n" ); document.write( "----------------
\n" ); document.write( "Ans: b
\n" ); document.write( "because 1<= cot or -1>= cot
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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