document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=417424>Question 417424</A>: <I><SPAN STYLE=\"word-break: break-all;\"> we are suppose to evaluate<BR>\n" );
document.write( "sin(3/4)pie </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292231 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=292231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%283%2F4%29%2Api+=+135 ALIGN=MIDDLE  ALT=\"sin%283%2F4%29%2Api+=+135\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=135 ALIGN=MIDDLE  ALT=\"135\"   DISABLED_style= \"max-width:90%; height:auto;\" > deg. lies in the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2nd ALIGN=MIDDLE  ALT=\"2nd\"   DISABLED_style= \"max-width:90%; height:auto;\" > quadrant\r<BR>\n" );
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document.write( "little more:\r<BR>\n" );
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document.write( "It is the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=same ALIGN=MIDDLE  ALT=\"same\"   DISABLED_style= \"max-width:90%; height:auto;\" > as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45+deg ALIGN=MIDDLE  ALT=\"45+deg\"   DISABLED_style= \"max-width:90%; height:auto;\" >, but a reference angle.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2845%29=+leg%2Fhyp+=+1%2Fsqrt%282%29=+sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"sin%2845%29=+leg%2Fhyp+=+1%2Fsqrt%282%29=+sqrt%282%29%2F2\"   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=cos%2845%29=1%2Fsqrt%282%29=+sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"cos%2845%29=1%2Fsqrt%282%29=+sqrt%282%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "But in the second quadrant <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28sine%29 ALIGN=MIDDLE  ALT=\"highlight%28sine%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >is<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=positive ALIGN=MIDDLE  ALT=\"positive\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28cosine%29 ALIGN=MIDDLE  ALT=\"highlight%28cosine%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=negative ALIGN=MIDDLE  ALT=\"negative\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%283%2A+pi%2F4%29+=+1%2Fsqrt%282%29=sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"sin%283%2A+pi%2F4%29+=+1%2Fsqrt%282%29=sqrt%282%29%2F2\"   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=cos%283+%2Api+%2F4%29+=+-1%2Fsqrt%282%29=-sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"cos%283+%2Api+%2F4%29+=+-1%2Fsqrt%282%29=-sqrt%282%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >}\r<BR>\n" );
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document.write( "This will summarizes all:\r<BR>\n" );
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document.write( "Quadrant I: 0 to 90 degrees = 0 to p/2 radians\r<BR>\n" );
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document.write( "Quadrant II: 90 to 180 degrees = p/2 to p radians\r<BR>\n" );
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document.write( "Quadrant III: 180 to 270 degrees = p to 3p/2 radians\r<BR>\n" );
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document.write( "Quadrant IV: 270 to 360 degrees = 3p/2 to 2p radians\r<BR>\n" );
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document.write( "where p = 3.14 rounded to 2 decimal places.\r<BR>\n" );
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