document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1066259>Question 1066259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify the trigonometric expression.\r<BR>\n" );
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document.write( "sin^2 theta/1-cos theta<BR>\n" );
document.write( "  A.  <BR>\n" );
document.write( "1 + cos &#952;\r<BR>\n" );
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document.write( "   B.  <BR>\n" );
document.write( "sin &#952;\r<BR>\n" );
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document.write( "   C.1 -sin theta/cos theta\r<BR>\n" );
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document.write( "   D. 1+sin theta/cos theta\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #681426 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=681426\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A.<BR>\n" );
document.write( "sin^2 theta=(1-cos^2 theta)<BR>\n" );
document.write( "This is a difference of squares and may be factored into (1+cos theta)(1-cos theta)<BR>\n" );
document.write( "(1+cos theta)(1-cos theta)/1-cos theta=1+cos theta, because the (1- cos theta) cancel each other, so long as theta is not pi. </SPAN>\n" );
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