document.write( "Question 1141668: Find cos(x/2) if sinx=_3/4 and x is the third quadrant \n" ); document.write( "

Algebra.Com's Answer #762256 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+sin%28x%29+=+-3%2F4+\"$
\n" ); document.write( " $\"+x+=+arcsin%28+-3%2F4+%29+\"$
\n" ); document.write( " $\"+x+=+48.5904+%2B+180+\"$
\n" ); document.write( " $\"+x+=+228.5904+\"$
\n" ); document.write( " $\"+x%2F2+=+114.2952+\"$
\n" ); document.write( " $\"+cos%28+114.2952+%29+=+-.4114+\"$
\n" ); document.write( "Note that $\"+x%2F2+\"$ is in the 2nd quadrant
\n" ); document.write( "Get a 2nd opinion if needed
\n" ); document.write( " \n" ); document.write( "

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