document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1151108>Question 1151108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the trigonometric identities to expand and simplify if possible.<BR>\n" );
document.write( "For 1−cos(𝐷)/sin(𝐷)+1\r<BR>\n" );
document.write( "\n" );
document.write( "sin(270-A) = \r<BR>\n" );
document.write( "\n" );
document.write( "cos(B+270)= \r<BR>\n" );
document.write( "\n" );
document.write( "tan(C+225) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #772731 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=772731\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
document.write( "\n" );
document.write( "Use the trigonometric identities to expand and simplify if possible.<BR>\n" );
document.write( "For: \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-cos%28D%29%29%2F%28sin%28D%29%2B1%29 ALIGN=MIDDLE  ALT=\"%281-cos%28D%29%29%2F%28sin%28D%29%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-> cannot be simplified\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28270-A%29 ALIGN=MIDDLE  ALT=\"sin%28270-A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > =  ...........Use the following identity : <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin+%28s-t%29=-cos++%28s%29%2Asin%28t+%29%2B+cos%28t%29%2Asin%28s%29 ALIGN=MIDDLE  ALT=\"sin+%28s-t%29=-cos++%28s%29%2Asin%28t+%29%2B+cos%28t%29%2Asin%28s%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28270-A%29+=-+cos+%28270%29+%2Asin%28A%29%2B+cos%28A%29%2Asin%28270%29 ALIGN=MIDDLE  ALT=\"sin%28270-A%29+=-+cos+%28270%29+%2Asin%28A%29%2B+cos%28A%29%2Asin%28270%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...........since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28270%29=0+ ALIGN=MIDDLE  ALT=\"cos%28270%29=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28270%29=-1 ALIGN=MIDDLE  ALT=\"sin%28270%29=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we have\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28270-A%29+=-+0%2Asin++%28A+%29%2B+cos+%28A+%29+%2A%28-1%29 ALIGN=MIDDLE  ALT=\"sin%28270-A%29+=-+0%2Asin++%28A+%29%2B+cos+%28A+%29+%2A%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28270-A%29+=0-+cos+%28A+%29+ ALIGN=MIDDLE  ALT=\"sin%28270-A%29+=0-+cos+%28A+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28270-A%29+=-+cos+%28A+%29+ ALIGN=MIDDLE  ALT=\"sin%28270-A%29+=-+cos+%28A+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "for next one use identities above\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%2B270%29=cos%28270%29cos%28B%29+-+sin%28270%29+sin%28B%29 ALIGN=MIDDLE  ALT=\"cos%28B%2B270%29=cos%28270%29cos%28B%29+-+sin%28270%29+sin%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%2B270%29=0%2A+cos%28B%29+-%28-1%29+sin%28B%29 ALIGN=MIDDLE  ALT=\"cos%28B%2B270%29=0%2A+cos%28B%29+-%28-1%29+sin%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%2B270%29=+sin%28B%29 ALIGN=MIDDLE  ALT=\"cos%28B%2B270%29=+sin%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29 ALIGN=MIDDLE  ALT=\"tan%28C%2B225%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=............Use the following identity : <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28a%29=sin%28a%29%2Fcos%28a%29 ALIGN=MIDDLE  ALT=\"tan%28a%29=sin%28a%29%2Fcos%28a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29=sin%28C%2B225%29%2Fcos%28C%2B225%29 ALIGN=MIDDLE  ALT=\"tan%28C%2B225%29=sin%28C%2B225%29%2Fcos%28C%2B225%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29=%28sin%28225%29+cos%28C%29+%2B+cos%28225%29+sin%28C%29%29%2F+%28cos%28225%29+cos%28C%29+-+sin%28225%29+sin%28C%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28225%29=-1%2Fsqrt%282%29+ ALIGN=MIDDLE  ALT=\"sin%28225%29=-1%2Fsqrt%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28225%29=-1%2Fsqrt%282%29 ALIGN=MIDDLE  ALT=\"cos%28225%29=-1%2Fsqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we have\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29=%28-%281%2Fsqrt%282%29%29+cos%28C%29+%2B+%28-1%2Fsqrt%282%29%29+sin%28C%29%29%2F+%28-%281%2Fsqrt%282%29%29+cos%28C%29+-+%28-1%2Fsqrt%282%29%29+sin%28C%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29=%28-%281%2Fsqrt%282%29%29%28+cos%28C%29+%2B++sin%28C%29%29%29%2F+%28-%281%2Fsqrt%282%29%29+%28cos%28C%29+-++sin%28C%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29=%28-cross%28%281%2Fsqrt%282%29%29%29%28+cos%28C%29+%2B++sin%28C%29%29%29%2F+%28-cross%28%281%2Fsqrt%282%29%29%29+%28-cos%28C%29+%2B++sin%28C%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28C%2B225%29=%28+sin%28C%29%2B+cos%28C%29++%29%2F++%28sin%28C%29+-++cos%28C%29%29 ALIGN=MIDDLE  ALT=\"tan%28C%2B225%29=%28+sin%28C%29%2B+cos%28C%29++%29%2F++%28sin%28C%29+-++cos%28C%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );