document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=476243>Question 476243</A>: <I><SPAN STYLE=\"word-break: break-all;\"> prove that 2arccos(4/5)=arcsin 24/25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326554 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=326554\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> prove that 2arccos(4/5)=arcsin 24/25<BR>\n" );
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document.write( "Using a calculator:<BR>\n" );
document.write( "2arccos(4/5)=2*36.8699º=73.7398º<BR>\n" );
document.write( "arcsin 24/25=73.7398º<BR>\n" );
document.write( "Therefore, 2arccos(4/5)=arcsin 24/25 </SPAN>\n" );
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