document.write( "Question 934256: Please help me figure this out: sec^2 180 degrees \n" ); document.write( "

Algebra.Com's Answer #567320 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+sec%5E2+%28+180+%29+=+1+%2F+cos%5E2+%28+180+%29+\"$
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\n" ); document.write( "Use the fact that $\"+cos%28+180+%29+=+-1+\"$
\n" ); document.write( "so,
\n" ); document.write( " $\"+cos%5E2%28+180+%29+=+%28-1%29%5E2+\"$
\n" ); document.write( " $\"+cos%5E2%28+180+%29+=+1+\"$
\n" ); document.write( " $\"+1+%2F+cos%5E2+%28+180+%29+=+1%2F1+\"$
\n" ); document.write( " $\"+sec%5E2%28+180+%29+=+1+\"$ \r
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