document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=803176>Question 803176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> IF 2(cos^2 A - sin^2 A) = 1\r<BR>\n" );
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document.write( "A is a positive acute angle), then find the value of Cot A?<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 #484155 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=484155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> IF 2(cos^2 A - sin^2 A) = 1<BR>\n" );
document.write( "A is a positive acute angle), then find the value of Cot A?<BR>\n" );
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document.write( "2(cos^2 A - sin^2 A) = 1<BR>\n" );
document.write( "(cos^2 A - sin^2 A) = 1/2<BR>\n" );
document.write( "cos2A=1/2<BR>\n" );
document.write( "2A=60&#730;<BR>\n" );
document.write( "A=30&#730;<BR>\n" );
document.write( "cotA=cot30&#730;=&#8730;3 </SPAN>\n" );
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