document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=922184>Question 922184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that the equations are identities. \r<BR>\n" );
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document.write( "(secA-tanA)^2=(1-sinA)/(1+sinA) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559443 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=559443\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove that the equations are identities.<BR>\n" );
document.write( "(secA-tanA)^2=(1-sinA)/(1+sinA)<BR>\n" );
document.write( "***<BR>\n" );
document.write( "use x for A<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28secx-tanx%29%5E2=sec%5E2%28x%29-2secxtanx%2Btan%5E2%28x%29%0D%0A=sec%5E2%28x%29-2%281%2Fcosx%29%28sinx%2Fcosx%29%2B%28sin%5E2%28x%29%2Fcos%5E2%28x%29%29%0D%0A=1%2Fcos%5E2%28x%29-2%281%2Fcosx%29%28sinx%2Fcosx%29%2B%28sin%5E2%28x%29%2Fcos%5E2%28x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fcos%5E2%28x%29-2sinx%2Fcos%5E2%28x%29%2B%28sin%5E2%28x%29%2Fcos%5E2%28x%29%29%0D%0A=%281-sinx%29%5E2%2F%281-sin%5E2%28x%29%29=%281-sinx%29%5E2%2F%281%2Bsinx%29%281-sinx%29=%281-sinx%29%2F%281%2Bsinx%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "verified: left side=right side </SPAN>\n" );
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