document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=998480>Question 998480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me with the question: sin x=1 - cos x  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616250 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52798)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=616250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "please help me with the question: sin x=1 - cos x <BR>\n" );
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document.write( "Hey, &nbsp;this is not a question. &nbsp;It is an equation.\r<BR>\n" );
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document.write( "If you want to solve it, &nbsp;say &nbsp;\"Please help me solve this equation\".\r<BR>\n" );
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document.write( "OK, &nbsp;let's solve it.\r<BR>\n" );
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document.write( "sin(x) = 1 - cos(x).\r<BR>\n" );
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document.write( "In the left side, &nbsp;replace &nbsp;sin(x) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%281-cos%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"sqrt%281-cos%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get the equation for one uniform unknown &nbsp;cos(x):\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%281-cos%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"sqrt%281-cos%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+cos%28x%29 ALIGN=MIDDLE  ALT=\"1+-+cos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, &nbsp;&nbsp;---> square both sides --->\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+cos%5E2%28x%29 ALIGN=MIDDLE  ALT=\"1+-+cos%5E2%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+2%2Acos%28x%29+%2B+cos%5E2%28x%29 ALIGN=MIDDLE  ALT=\"1+-+2%2Acos%28x%29+%2B+cos%5E2%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=2%2Acos%5E2%28x%29+-+2%2Acos%28x%29 ALIGN=MIDDLE  ALT=\"2%2Acos%5E2%28x%29+-+2%2Acos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   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=2%2Acos%28x%29 ALIGN=MIDDLE  ALT=\"2%2Acos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29-1%29 ALIGN=MIDDLE  ALT=\"%28cos%28x%29-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   DISABLED_style= \"max-width:90%; height:auto;\" >,\r<BR>\n" );
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document.write( "a) &nbsp;cos(x) = 0 &nbsp;&nbsp;-----> &nbsp;x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2F2+%2B+k%2Api ALIGN=MIDDLE  ALT=\"pi%2F2+%2B+k%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" >, &nbsp;k = 0, +/-1, +/-2, . . . \r<BR>\n" );
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document.write( "b) &nbsp;cos(x) = 1 -----> &nbsp;&nbsp;x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k%2Api ALIGN=MIDDLE  ALT=\"k%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" >, &nbsp;k = 0, +/-1, +/-2, . . . \r<BR>\n" );
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