document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=748450>Question 748450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the x's of: sin(x)+sin(-x)=2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #455481 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39838)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=455481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Look at the unit circle to see how sine of x and sine of negative x are related.  If you rotate a ray of 1 unit in the clockwise direction from the positive horizontal axis, then you have a -x.  The sine of -x is the opposite of sine of positive x.  \r<BR>\n" );
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document.write( "Your equation means,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sine%28x%29%2Bsine%28-x%29=2 ALIGN=MIDDLE  ALT=\"sine%28x%29%2Bsine%28-x%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sine%28x%29%2B%28-sine%28x%29%29=2 ALIGN=MIDDLE  ALT=\"sine%28x%29%2B%28-sine%28x%29%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sine%28x%29-sine%28x%29=2 ALIGN=MIDDLE  ALT=\"sine%28x%29-sine%28x%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280=2%29 ALIGN=MIDDLE  ALT=\"highlight%280=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "FALSE. </SPAN>\n" );
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