document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=422002>Question 422002</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A= theta. Prove and show all work\r<BR>\n" );
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document.write( "(secA+tanA)/1 times the quantity (secA-tanA)=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294603 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=294603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (secA+tanA)/1 times the quantity (secA-tanA)=1\r<BR>\n" );
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document.write( "(secA+tanA)(secA-tanA)=1\r<BR>\n" );
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document.write( "sec^2(A)-tan^2(A)=1\r<BR>\n" );
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document.write( "1/cos^2(A)-sin^2(A)/cos^2(A)=1\r<BR>\n" );
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document.write( "[1-sin^2(A)]/cos^2(A)=1\r<BR>\n" );
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document.write( "cos^2(A)/cos^2(A)=1\r<BR>\n" );
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document.write( "1=1\r<BR>\n" );
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document.write( "So this verifies the identity.\r<BR>\n" );
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document.write( "Jim </SPAN>\n" );
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