document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100039>Question 1100039</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use  the double angle identities to answer:\r<BR>\n" );
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document.write( "If cscx=-2sqrt5 and sinx>0, find tan2x\r<BR>\n" );
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document.write( "So far, I think I've found Sine, but I can't figure out if its right and I can't figure out how to find cosine. I know the double angle formula for tangent and I'm pretty sure I know how to use it, i'm just having trouble finding what to put there.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714515 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br>The conditions of the problem are self-contradictory.  Cosecant is the reciprocal of sine; so given that cosecant is negative, sine can't be positive. </SPAN>\n" );
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