document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=122526>Question 122526</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 12)    for x E[0,2pi), solve sin x = cos x\r<BR>\n" );
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document.write( "a)       pi/2 , 3pi/2\r<BR>\n" );
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document.write( "b)       pi/4 , 5pi/4\r<BR>\n" );
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document.write( "c)       pi/4 , 3pi/4\r<BR>\n" );
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document.write( "d)       3pi/4 , 7pi/4\r<BR>\n" );
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document.write( "e)       None of these\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89938 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=89938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> # 12\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x%29=cos%28x%29 ALIGN=MIDDLE  ALT=\"sin%28x%29=cos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x%29%2Fcos%28x%29=1 ALIGN=MIDDLE  ALT=\"sin%28x%29%2Fcos%28x%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%29 ALIGN=MIDDLE  ALT=\"cos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28x%29=1 ALIGN=MIDDLE  ALT=\"tan%28x%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rewrite the left side using the identity <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28x%29=sin%28x%29%2Fcos%28x%29 ALIGN=MIDDLE  ALT=\"tan%28x%29=sin%28x%29%2Fcos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=arctan%281%29 ALIGN=MIDDLE  ALT=\"x=arctan%281%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Take the arctangent of both sides to isolate x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=pi%2F4 ALIGN=MIDDLE  ALT=\"x=pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5pi%2F4 ALIGN=MIDDLE  ALT=\"x=5pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Take the arctangent of 1 to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2F4 ALIGN=MIDDLE  ALT=\"pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5pi%2F4 ALIGN=MIDDLE  ALT=\"5pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "So the solutions are \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=pi%2F4 ALIGN=MIDDLE  ALT=\"x=pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5pi%2F4 ALIGN=MIDDLE  ALT=\"x=5pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "which means that the answer is B) </SPAN>\n" );
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