document.write( "Question 979655: Hello, consider the function $\"f%28x%29=%285%2F2%29cos%282x-%28pi%2F2%29%29\"$ . For what values of k will the equation f(x)=k have no solutions? \n" ); document.write( "

Algebra.Com's Answer #600963 by ikleyn(52784) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "For $\"abs%28k%29\"$ > $\"5%2F2\"$ the given equation has no solutions ( for k > $\"5%2F2\"$ and for k < $\"-5%2F2\"$ ).\r
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\n" ); document.write( "\n" ); document.write( "For all other values of k the equation has at least one solution.\r
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