document.write( "Question 1138396: If theta is a third quadrant angle and cos theta = -2/3, find sin theta. \n" ); document.write( "

Algebra.Com's Answer #756204 by ikleyn(52786) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( " =  =  =  =  = .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The sign at the square root  is \" - \" (MINUS), because the angle  is in QIII, by the condition.\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It is your standard \"mantra\", which you should pronounce every time, when you solve such a problem.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );