document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=590939>Question 590939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> cosx=3/5 o<x<3pi/2 find sinx,cosx, and tanx by half angle identities </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #375387 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=375387\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cosx=3/5 0 < x <3pi/2 find sinx,cosx, and tanx by half angle identities<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x%29+=+sqrt%281+-+cos%5E2%28x%29%29+=+4%2F5 ALIGN=MIDDLE  ALT=\"sin%28x%29+=+sqrt%281+-+cos%5E2%28x%29%29+=+4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cosine is positive, --> Q1 & Q4 --> sine is +4/5 only<BR>\n" );
document.write( "cos(x) is given<BR>\n" );
document.write( "tan(x) = sin/cos = 4/3<BR>\n" );
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document.write( "No half-angles are shown.  <BR>\n" );
document.write( "If you want the half-angles, look at Wikipedia, it's covered well there.<BR>\n" );
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