document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118395>Question 118395</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the exact value of cos210degrees sin^2 60degrees/cos(-135degrees) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86520 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=86520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the exact value of cos210degrees sin^2 60degrees/cos(-135degrees)<BR>\n" );
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document.write( "cos(210) = (-sqrt3)/2<BR>\n" );
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document.write( "sin60 = (sqrt3)/2 ; so sin^2(60) = 3/4<BR>\n" );
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document.write( "cos(-135) = (-sqrt2)/2<BR>\n" );
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document.write( "So cos210degrees sin^2 60degrees/cos(-135degrees)<BR>\n" );
document.write( "= [(-sqrt3)/2][3/4]/[(-sqrt2)/2\r<BR>\n" );
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document.write( "=(3/4)[sqrt(3)/2]\r<BR>\n" );
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document.write( "= [3sqrt(3)]/[4sqrt2]\r<BR>\n" );
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document.write( "= [3sqrt(6)]/8\r<BR>\n" );
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document.write( "= (3/8)sqrt(6)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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