document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=681582>Question 681582</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if cos of beta = 2/3 what is the tan of beta? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422696 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=422696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if cos of beta = 2/3 what is the tan of beta?<BR>\n" );
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document.write( "cos = x/r, so if cos = 2/3, x = 2 and r = 3<BR>\n" );
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document.write( "Solve for \"y\":<BR>\n" );
document.write( "y^2 = r^2-x^2<BR>\n" );
document.write( "y = sqrt[3^2-2^2] = sqrt(5)<BR>\n" );
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document.write( "Now you know x,y, and r so you can calculate ALL of the trig<BR>\n" );
document.write( "functions for the angle beta.<BR>\n" );
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document.write( "tan = y/x = sqrt(5)/2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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