document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813598>Question 813598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you tell me if I did this right?<BR>\n" );
document.write( " Solve each composition and tell whether it is an angle or a ratio:<BR>\n" );
document.write( " 1. cos(tan^-1(5/12) I got: .923 and that it is a ratio<BR>\n" );
document.write( " 2. sin^-1(cos(Pi)) I got it is an angle and it doesn't exist. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489803 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=489803\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Solve each composition and tell whether it is an angle or a ratio:<BR>\n" );
document.write( " 1. cos(tan^-1(5/12) I got: .923 and that it is a ratio<BR>\n" );
document.write( "It's a cosine, so it's a ratio.<BR>\n" );
document.write( "If you find the terminal point, you get cos = 12/13 =~ 0.923<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( " 2. sin^-1(cos(Pi)) I got it is an angle and it doesn't exist.<BR>\n" );
document.write( "Assuming it's pi radians, cos(pi) = -1<BR>\n" );
document.write( "asin(-1) = 270 degs or 3pi/2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );