document.write( "Question 256805: For which value is f (x) undefined: f(x)= cosx/1-cos2x \n" ); document.write( "

Algebra.Com's Answer #188843 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
f(x) is undefined when the denominator equals zero.
\n" ); document.write( " $\"1-cos%282x%29=0\"$
\n" ); document.write( " $\"cos%282x%29=1\"$
\n" ); document.write( " $\"2x=pi%2F2\"$ or $\"2x=%283%2F2%29pi\"$
\n" ); document.write( " $\"x=pi%2F4\"$ or $\"x=%283%2F4%29pi\"$
\n" ); document.write( " \n" ); document.write( "

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