document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=986738>Question 986738</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you help mi figure out the value of a in the following formula\r<BR>\n" );
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document.write( "SecA + CscA = 3<BR>\n" );
document.write( "solve for angle a, and please include work </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #607570 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=607570\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SecA + CscA = 3<BR>\n" );
document.write( " solve for angle a<BR>\n" );
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document.write( " (1/cos) + (1/sin) = 3<BR>\n" );
document.write( " (sin + cos)/sin*cos = 3<BR>\n" );
document.write( " sin + cos = 3sin*cos<BR>\n" );
document.write( " Square both sides<BR>\n" );
document.write( " sin^2 + 2sin*cos + cos^2 = 9sin^2cos^2<BR>\n" );
document.write( " cos^2 = 1 - sin^2<BR>\n" );
document.write( " sin^2 + 2sin*cos + 1 - sin^2 = 9sin^2(1 - sin^2) = 9sin^2 - 9sin^4<BR>\n" );
document.write( " 2sin*cos + 1 = 9sin^2 - 9sin^4<BR>\n" );
document.write( " 2sin*cos + sin^2 + cos^2 = 9sin^2 - 9sin^4<BR>\n" );
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document.write( "I see no option other than graphical or iterative methods.<BR>\n" );
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document.write( "A =~0.59045279001103<BR>\n" );
document.write( "A =~0.98034353678387<BR>\n" );
document.write( "A =~2.890976773032889<BR>\n" );
document.write( "A =~4.963004860941594<BR>\n" );
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document.write( "It's periodic, period of 2pi\r<BR>\n" );
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