document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=847118>Question 847118</A>: <I><SPAN STYLE=\"word-break: break-all;\"> pi/3 is equal to 60 degrees.<BR>\n" );
document.write( "sin (x^2) when x = pi/3 is sin((pi/3)^2) which is approximately .8897, but when x=60 degrees we get sin ((60 degree)^2)= sin(3600 degrees) = 0.  Why are the \"answers\" different? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #510178 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=510178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> pi/3 is equal to 60 degrees.<BR>\n" );
document.write( "sin (x^2) when x = pi/3 is sin((pi/3)^2) which is approximately .8897, but when x=60 degrees we get sin ((60 degree)^2)= sin(3600 degrees) = 0.  Why are the \"answers\" different?<BR>\n" );
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document.write( "Degrees are not dimensionless, radians are.<BR>\n" );
document.write( "1 radian = the angle subtended by an arc = to the radius --> r/r.<BR>\n" );
document.write( "1 radian^2 is still a ratio with no dimensions.<BR>\n" );
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document.write( "Using degs, squaring the angle --> \"square degrees.\"<BR>\n" );
document.write( "The sine of \"square degs\" is not = sine of degrees.<BR>\n" );
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