document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=595438>Question 595438</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the expression as a single real number. Do not use decimal approximations. <BR>\n" );
document.write( "                   cos(3pi/4) cos(pi)+ sin(3pi/4) sin(pi) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #377144 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=377144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cos(3pi/4) cos(pi)+ sin(3pi/4) sin(pi)\r<BR>\n" );
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document.write( "(-sqrt(2)/2)(-1)+ (sqrt(2)/2)(0)\r<BR>\n" );
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document.write( "sqrt(2)/2\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\Large \cos\left(\frac{3\pi}{4}\right)\cos\left(\pi\right)+\sin\left(\frac{3\pi}{4}\right)\sin\left(\pi\right) = \frac{\sqrt{2}}{2}\" title=\"x\" /> </SPAN>\n" );
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