document.write( "Question 1151368: Which equations have a corresponding graph identical to the graph of y=tan(x)
\n" ); document.write( "A) y=cot((pi/2)-x)
\n" ); document.write( "B) y=-tan(-x)
\n" ); document.write( "C) y=-cot(x-(pi/2))
\n" ); document.write( "D) y=cot((pi/2)+x)
\n" ); document.write( "E) none of these
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Algebra.Com's Answer #773110 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Use the following identity :\"tan+%28-x+%29=-+tan+%28x+%29\"\r
\n" ); document.write( "\n" ); document.write( "so, answer is:\r
\n" ); document.write( "\n" ); document.write( "B) \"y=tan%28x%29=-tan%28-x%29\"
\n" ); document.write( "
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