document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=753354>Question 753354</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help proving this trigonometric function.\r<BR>\n" );
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document.write( "cos^2x + (tan^2x)(cos^2x)=1\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 #458337 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=458337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  I need help solving this trigonometric function. <BR>\n" );
document.write( "cos^2x + (tan^2x)(cos^2x)=1<BR>\n" );
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document.write( "cos^2 + [sin^2/cos^2)(cos^2) = 1<BR>\n" );
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document.write( "cos^2 + sin^2 = 1<BR>\n" );
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document.write( "True<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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