document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=918196>Question 918196</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please check my answers for questions related to Unit Circle\r<BR>\n" );
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document.write( "A. Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant. <BR>\n" );
document.write( "Quadrant 2 <BR>\n" );
document.write( "Coordinates P(&#8722;3/4,?)<BR>\n" );
document.write( "My answer (-3/4,7/4) \r<BR>\n" );
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document.write( "B. The point P is on the unit circle. Find P(x, y) from the given information. <BR>\n" );
document.write( "The x-coordinate of P &#8722;2/5 \r<BR>\n" );
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document.write( "P lies above the x-axis. <BR>\n" );
document.write( "My answer: P(x, y) = (-2/5,21/5) \r<BR>\n" );
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document.write( "C. Find the terminal point P(x, y) on the unit circle determined by the given value of t. <BR>\n" );
document.write( "t = &#8722;3&#960;/4 \r<BR>\n" );
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document.write( "My answer: P(x, y) = (-&#8730;2/2, -&#8730;2/2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556952 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=556952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A. Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant. <BR>\n" );
document.write( "Quadrant 2 <BR>\n" );
document.write( "Coordinates P(&#8722;3/4,?)<BR>\n" );
document.write( " My answer (-3/4,7/4)<BR>\n" );
document.write( "Correct answer:: (3/4)^2 + ?^2 = 1<BR>\n" );
document.write( "(0.75 + ?^2 = 1<BR>\n" );
document.write( "?^2 = 0.25<BR>\n" );
document.write( "? = 0.5<BR>\n" );
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document.write( "B. The point P is on the unit circle. Find P(x, y) from the given information. <BR>\n" );
document.write( "The x-coordinate of P &#8722;2/5 <BR>\n" );
document.write( "P lies above the x-axis. <BR>\n" );
document.write( "My answer: P(x, y) = (-2/5,21/5)<BR>\n" );
document.write( "Correct answer::<BR>\n" );
document.write( "(2/5)^2 + y^2 = 1<BR>\n" );
document.write( "y^2 = 1 - 4/25<BR>\n" );
document.write( "y^2 = 21/25<BR>\n" );
document.write( "y = sqrt(21)/5<BR>\n" );
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document.write( "C. Find the terminal point P(x, y) on the unit circle determined by the given value of t. <BR>\n" );
document.write( "t = &#8722;3&#960;/4 (in QII)<BR>\n" );
document.write( "My answer: P(x, y) = (-&#8730;2/2, -&#8730;2/2)<BR>\n" );
document.write( "Correct answer:: (-sqrt(2)/2, +sqrt(2)/2)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------------- </SPAN>\n" );
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