document.write( "Question 987876: sec^2 X = 2 / (1+cos^2 X)
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Algebra.Com's Answer #608617 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sec%5E2%28x%29=2%2F%281%2Bcos%5E2%28x%29%29\"$
\n" ); document.write( " $\"1%2Fcos%5E2%28x%29=2%2F%281%2Bcos%5E2%28x%29%29\"$
\n" ); document.write( " $\"2cos%5E2%28x%29=cos%5E2%28x%29%2B1\"$
\n" ); document.write( " $\"cos%5E2%28x%29=1\"$
\n" ); document.write( " $\"cos%28x%29=-1\"$ or $\"cos%28x%29=1\"$ .\r
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\n" ); document.write( "\n" ); document.write( "x is any integer multiple of pi.
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