document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=397624>Question 397624</A>: <I><SPAN STYLE=\"word-break: break-all;\">  pls. help me solve this problem.\r<BR>\n" );
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document.write( "cotx/cscx + 1/cosx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281718 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=281718\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cotx/cscx + 1/cosx<BR>\n" );
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document.write( "To unravel trig identities it is often helpful<BR>\n" );
document.write( "to change the problem to sines and cosines.<BR>\n" );
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document.write( "Your Problem:<BR>\n" );
document.write( "[cos/sin]/[1/sin] + 1/cos<BR>\n" );
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document.write( "Invert and multiply to get:<BR>\n" );
document.write( "[cos/sin] + 1/cos<BR>\n" );
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document.write( "Cancel the sin which is common to a numerator and a denominator to get:<BR>\n" );
document.write( "cos + 1/cos<BR>\n" );
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document.write( "(cos^2+1)/cos<BR>\n" );
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document.write( "I'm not sure how much further you want to go with<BR>\n" );
document.write( "this.  It never gets down to just a number.<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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