document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897573>Question 897573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let (theta) be the angle in standard position whose terminal side contains the given point (-2,1), then compute cos(theta) and sin(theta) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544240 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=544240\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let (theta) be the angle in standard position whose terminal side contains the given point (-2,1), then compute cos(theta) and sin(theta)<BR>\n" );
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document.write( "x = -2, y = 1<BR>\n" );
document.write( "So, r = sqrt(2^2 + 1^2) = sqrt(5)<BR>\n" );
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document.write( "cos(t) = x/r = -2/sqrt(5)<BR>\n" );
document.write( "sin(t) = y/t = 1/sqrt(5)<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" );