document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=854565>Question 854565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me the question is if sin theta= (2 sqrt5)/5 and cos theta=(-sqrt5)/5 what quadrant would the theta be in.\r<BR>\n" );
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document.write( "For sin I have found that y=2 and r= sqrt5<BR>\n" );
document.write( "For cos I have  found that x= -sqrt5 and r= 5\r<BR>\n" );
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document.write( "How would this problem work if the r's arent the same<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #514760 by </B><A HREF=/tutors/aboutme.mpl?userid=DrBeeee><B>DrBeeee(684)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DrBeeee><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=514760\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The answer to your question (r's are the same) is that they are the same! The difference is that you defined y = 2 for the sin function, but it is really y = 2 sqrt(5). Then the r for the sin is r = (sqrt5)*(sqrt5) or r = 5. In fact, the value of r must be the same!<BR>\n" );
document.write( "The angle theta is in the second quadrant. </SPAN>\n" );
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