document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522970>Question 522970</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how can i solve without a calculator the exact value of tan (23pie/4) ?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347132 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=347132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how can i solve without a calculator the exact value of tan (23pie/4) ??<BR>\n" );
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document.write( "(23pie/4)=(20&#960;/4+3&#960;/4)=(5&#960;+3&#960;/4)<BR>\n" );
document.write( "This means rotating counter-clockwise 5&#960; plus an additional 3&#960;/4 which places a reference<BR>\n" );
document.write( "angle of &#960;/4 in quadrant IV where tan<0.<BR>\n" );
document.write( "So,  tan (23pie/4)=tan(&#960;/4)=-1 </SPAN>\n" );
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