document.write( "Question 582150: How do I convert a decimal answer to a radical such as sin 7π divided by 6? I know it’s going to be a radical answer but how do I know what the right radical answer is? \n" ); document.write( "
Algebra.Com's Answer #371971 by Alan3354(69443)\"\" \"About 
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How do I convert a decimal answer to a radical such as sin 7π divided by 6? I know it’s going to be a radical answer but how do I know what the right radical answer is?
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\n" ); document.write( "If 7pi/6 is the angle in radians,
\n" ); document.write( "sin(7pi/6) = -0.5
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\n" ); document.write( "I don't know what you mean about the radical???
\n" ); document.write( "\"-0.5+=+sqrt%280.25%29\" maybe?\r
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