document.write( "Question 1027237: Given that cos t = − 2/5 and that P(t) is a point in the second quadrant, find sin t.
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Algebra.Com's Answer #642474 by Alan3354(69443)\"\" \"About 
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Given that cos t = − 2/5 and that P(t) is a point in the second quadrant, find sin t.
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\n" ); document.write( "sin = sqrt(1 - cos^2)
\n" ); document.write( "sine is + in Q2
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