document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197788>Question 1197788</A>: <I><SPAN STYLE=\"word-break: break-all;\"> To which of the following expressions is the expression (1-cosθ)(1+cosθ) equivalent to?<BR>\n" );
document.write( "A. 1<BR>\n" );
document.write( "B. sin^2θ<BR>\n" );
document.write( "C. csc^2θ<BR>\n" );
document.write( "D. cos^2θ<BR>\n" );
document.write( "E. sin^2θ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #831190 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=831190\">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=%281-cos%28theta%29%29%281%2Bcos%28theta%29%29 ALIGN=MIDDLE  ALT=\"%281-cos%28theta%29%29%281%2Bcos%28theta%29%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=%281%5E2-cos%5E2%28theta%29%29 ALIGN=MIDDLE  ALT=\"%281%5E2-cos%5E2%28theta%29%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=1-cos%5E2%28theta%29 ALIGN=MIDDLE  ALT=\"1-cos%5E2%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........using identity <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28theta%29%2Bcos%5E2%28theta%29=1 ALIGN=MIDDLE  ALT=\"sin%5E2%28theta%29%2Bcos%5E2%28theta%29=1\"   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=sin%5E2%28theta%29 ALIGN=MIDDLE  ALT=\"sin%5E2%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "answer: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28theta%29 ALIGN=MIDDLE  ALT=\"sin%5E2%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "note: you have two options,  B and E, unless you made typo\r<BR>\n" );
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document.write( "whatever is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28theta%29 ALIGN=MIDDLE  ALT=\"sin%5E2%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is your answer\r<BR>\n" );
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