document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174951>Question 174951</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If x is a positive acute angle and cos x =&#8730;(3)/4, what is the exact value of sin x? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #130009 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=130009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If x is a positive acute angle and cos x =&#8730;(3)/4, what is the exact value of sin x?<BR>\n" );
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document.write( "sin^2 + cos^2 = 1<BR>\n" );
document.write( "sin^2 = 1-cos^<BR>\n" );
document.write( "sin^2 = 1 - (sqrt(3)/4)^2 = 1 - 3/16<BR>\n" );
document.write( "sin^2 = 13/16<BR>\n" );
document.write( "sin = sqrt(13)/4<BR>\n" );
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