document.write( "Question 1138392: If theta is a third quadrant angle and cos theta= -2/3, find sin theta. Show work. \n" ); document.write( "
Algebra.Com's Answer #756194 by Alan3354(69443)\"\" \"About 
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If theta is a third quadrant angle and cos theta= -2/3, find sin theta.
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\n" ); document.write( "sin = sqrt(1 - cos^2)
\n" ); document.write( "sine is negative in Q3
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