document.write( "Question 1205885: The point (0,0) lies on the graphs of which functions?\r
\n" ); document.write( "\n" ); document.write( "A. sine, tangent, and cotangent
\n" ); document.write( "B. cosine and secant
\n" ); document.write( "C. tangent and cotangent
\n" ); document.write( "D. sine and tangent
\n" ); document.write( "E. sine, cosine, and tangent
\n" ); document.write( "F. cosine and cosecant
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Algebra.Com's Answer #842958 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
i believe selection D.\r
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\n" ); document.write( "\n" ); document.write( "cotan(0) = 1/tan(0) = undefined, so selection A and C are no good.\r
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\n" ); document.write( "\n" ); document.write( "cosin(0) = 1, so selection B and E and F are no good.\r
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\n" ); document.write( "\n" ); document.write( "selection D is the only one where all the functions mentioned in it are 0 when x is 0.\r
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\n" ); document.write( "\n" ); document.write( "that is only the tan function and the sin function.\r
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\n" ); document.write( "\n" ); document.write( "listing all the functions at x = 0 gets you.\r
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\n" ); document.write( "\n" ); document.write( "sin(0) = 0 *****
\n" ); document.write( "cos(0) = 1
\n" ); document.write( "tan(0) = sin(0)/cos(0) = 0/1 = 0 *****
\n" ); document.write( "cot(0) = 1/tan(0) = undefined
\n" ); document.write( "sec(0) = 1/cos(0) = 1/1 = 1
\n" ); document.write( "csc(0) = 1/sin(0) = 1/0 = undefined\r
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