document.write( "Question 1033489: If cos theta equals -4/9 with theta in quadrant 2, find sin theta. \n" ); document.write( "
Algebra.Com's Answer #648126 by Alan3354(69443)\"\" \"About 
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If cos theta equals -4/9 with theta in quadrant 2, find sin theta.
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\n" ); document.write( "sin = sqrt(1 - cos^2) = sqrt(1 - 16/81)
\n" ); document.write( "sin = sqrt(65)/9
\n" ); document.write( "sine is positive in Q2
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