document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=870561>Question 870561</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose <BR>\n" );
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document.write( "0 < &#952; < &#960;/2 and tan&#952;= 2/3.<BR>\n" );
document.write( " Evaluate cos&#952; and sin&#952;\r<BR>\n" );
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document.write( "This is precalc </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #524928 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=524928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Right triangle, hypotenuse is 1.  Choose either nonright angles, say t.  sin(t)=y and cos(t)=x.  You know <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28t%29=y%2Fx=2%2F3 ALIGN=MIDDLE  ALT=\"tan%28t%29=y%2Fx=2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  You also know <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2By%5E2=1 ALIGN=MIDDLE  ALT=\"x%5E2%2By%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  You now have two equations in two unknowns of x and y.\r<BR>\n" );
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document.write( "Good? </SPAN>\n" );
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