document.write( "Question 148517: if tan A = 2/3 and if angle A is acute, then sin A = ? \n" ); document.write( "
Algebra.Com's Answer #108850 by stanbon(75887)\"\" \"About 
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if tan A = 2/3 and if angle A is acute, then sin A = ?
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\n" ); document.write( "tan A = y/x; y = 2; x = 3
\n" ); document.write( "Then r = sqrt(2^2+3^2) = sqrt(13)
\n" ); document.write( "sin A = y/x = 2/sqrt(13)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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