document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=767937>Question 767937</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate<BR>\n" );
document.write( "3tan^2 60degrees + 2sin^2 30degrees - cos^2 45 degrees\r<BR>\n" );
document.write( "\n" );
document.write( "Please kindly tell how to evaluate this step by step thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468223 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=468223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Evaluate<BR>\n" );
document.write( "3tan^2 60degrees + 2sin^2 30degrees - cos^2 45 degrees <BR>\n" );
document.write( "***<BR>\n" );
document.write( "tan 60º=&#8730;3<BR>\n" );
document.write( "tan^2 60º=3<BR>\n" );
document.write( "3tan^2 60=9<BR>\n" );
document.write( "..<BR>\n" );
document.write( "sin 30º=1/2<BR>\n" );
document.write( "sin^2 30º=1/4<BR>\n" );
document.write( "2sin^2 30º=1/2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "cos 45º=&#8730;2/2<BR>\n" );
document.write( "cos^2 45º=2/4=1/2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3tan^2 60degrees + 2sin^2 30degrees - cos^2 45 degrees=9+1/2-1/2=9 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );