document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=938638>Question 938638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove each Identity:\r<BR>\n" );
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document.write( "a) sin^2(&#952;)/1&#8722;cos&#952;=1+cos&#952;\r<BR>\n" );
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document.write( "b) tan&#952;+1/tan&#952; = 1/sin&#952;cos&#952;\r<BR>\n" );
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document.write( "c) tan^2 (&#952;)/1+tan^2(&#952;)= sin^2 (&#952;)\r<BR>\n" );
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document.write( "d) sin^2 x(1+1/tan^2(x))=1\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571844 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=571844\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove each Identity:<BR>\n" );
document.write( "a) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28theta%29%2F%281-cos%28theta%29%29=1%2Bcos%28theta%29 ALIGN=MIDDLE  ALT=\"sin%5E2%28theta%29%2F%281-cos%28theta%29%29=1%2Bcos%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28theta%29%2F%281-cos%28theta%29%29=%281-cos%5E2%28theta%29%29%2F%281-cos%28theta%29%29=%281%2Bcos%28theta%29%29%0D%0A%281-cos%28theta%29%29%2F%281-cos%28theta%29%29=1%2Bcos%28theta%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "b) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28tan%28theta%29%29%2B%281%2Ftan%28theta%29%29=sin%28theta%29%2Fcos%28theta%29%2Bcos%28theta%29%2Fsin%28theta%29=%28sin%5E2%28theta%29%2Bcos%5E2%28theta%29%29%2F%28cos%28theta%29sin%28theta%29%29=1%2Fcos%28theta%29sin%28theta%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "c) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%5E2%28theta%29%2F%281%2Btan%5E2%28theta%29%29=+%28%28sin%5E2%28theta%29%29%2Fcos%5E2%28theta%29%29%2F%28%281%2Bsin%5E2%28theta%29%2F%28cos%5E2%28theta%29%29%29%29=%28sin%5E2%28theta%29%29%2F%28sin%5E2%28theta%29%2Bcos%5E2%28theta%29%29=sin%5E2%28theta%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "d) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28x%29%281%2B1%2Ftan%5E2%28x%29%29=sin%5E2%28x%29%281%2B%28cos%5E2%28x%29%29%2F%28sin%5E2%28x%29%29%29%0D%0A=sin%5E2%28x%29%28%28sin%5E2%28x%29%2Bcos%5E2%28x%29%29%2Fsin%5E2%28x%29%29=1 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
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