document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=218359>Question 218359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the rectangular equation of the curve whose parametric equations are <BR>\n" );
document.write( "x=-2sin(t) and y=cos(t), where 0 <= t <= 2pi </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #164459 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=164459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: use the identity <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \sin^{2}(t)+\cos^{2}(t)=1\">. You can square both sides of each equation to get <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x^2=4\sin^{2}(t)\"> and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE y^2=\cos^{2}(t)\">. From there, isolate the trig functions and perform the necessary substitutions.\r<BR>\n" );
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document.write( "Note: your answer should be <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \frac{x^2}{4}+y^2=1\">. Let me know if you still need help. </SPAN>\n" );
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