document.write( "Question 841051: how to solve all solutions for 2cos^(3)x+cos^(2)x-cosx=0 \n" ); document.write( "

Algebra.Com's Answer #506593 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Factor.
\n" ); document.write( " $\"2cos%5E%283%29%28x%29%2Bcos%5E%282%29%28x%29-cos%28x%29=0\"$
\n" ); document.write( " $\"cos%28x%29%282cos%5E2%28x%29%2Bcos%28x%29-1%29=0\"$
\n" ); document.write( " $\"cos%28x%29%282cos%28x%29-1%29%28cos%28x%29-1%29=0\"$
\n" ); document.write( "Three solutions:
\n" ); document.write( " $\"cos%28x%29=0\"$
\n" ); document.write( " $\"x=90\"$ , $\"x=270\"$
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\n" ); document.write( " $\"2%2Acos%28x%29-1=0\"$
\n" ); document.write( " $\"cos%28x%29=1%2F2\"$
\n" ); document.write( " $\"x=60\"$ , $\"x=300\"$
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\n" ); document.write( " $\"cos%28x%29-1=0\"$
\n" ); document.write( " $\"cos%28x%29=1\"$
\n" ); document.write( " $\"x=0\"$ \r
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