document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=494838>Question 494838</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem. I need to solve the equation for solutions over the interval [0 degrees,360 degrees):<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cos%5E2%28x%29=sin%5E2%28x%29%2B1+ ALIGN=MIDDLE  ALT=\"+cos%5E2%28x%29=sin%5E2%28x%29%2B1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #335822 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=335822\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Substitute in our equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sinx%29%5E2=1-%28cosx%29%5E2 ALIGN=MIDDLE  ALT=\"%28sinx%29%5E2=1-%28cosx%29%5E2\"   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=%28cosx%29%5E2=%281-%28cox%29%5E2%29%2B1 ALIGN=MIDDLE  ALT=\"%28cosx%29%5E2=%281-%28cox%29%5E2%29%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28cosx%29%5E2=2 ALIGN=MIDDLE  ALT=\"2%28cosx%29%5E2=2\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cosx%29%5E2=1 ALIGN=MIDDLE  ALT=\"%28cosx%29%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "From the final equation we get: cosx=1 and cosx=-1. Solving this two equations we \r<BR>\n" );
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document.write( "get:1) cosx=1 => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2n%2Api ALIGN=MIDDLE  ALT=\"x=2n%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and 2)cosx=-1 => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%282n-1%29%2Api ALIGN=MIDDLE  ALT=\"x=%282n-1%29%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where\r<BR>\n" );
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document.write( "n=0, +-1, +-2, ... </SPAN>\n" );
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