document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=849124>Question 849124</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Convert to a form involving sin x, cos x, and/or tan x using sum or difference identities.<BR>\n" );
document.write( " tan(7&#960;/4+x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #511531 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=511531\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Convert to a form involving sin x, cos x, and/or tan x using sum or difference identities.<BR>\n" );
document.write( "tan(7&#960;/4+x) = [tan(-pi/4) + tan(x)]/[1-tan(-pi/4)*tan(x)]<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "= [tan(x)-1]/[tan(x)+1]<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );