document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=618037>Question 618037</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sin(theta)+ tan(theta)/sec(theta)+ 1= sin(theta)\r<BR>\n" );
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document.write( "Prove the theory </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #388761 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=388761\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sin(theta)+ tan(theta)/sec(theta)+ 1= sin(theta)<BR>\n" );
document.write( "start with left side:<BR>\n" );
document.write( "(sin+tan)/sec+1<BR>\n" );
document.write( "=(sin+sin/cos)/(1/cos)+1<BR>\n" );
document.write( "=[(sincos+sin)/cos]/[(1+cos)/cos]<BR>\n" );
document.write( "=(sincos+sin)/(1+cos)<BR>\n" );
document.write( "=sin(cos+1)/(1+cos)<BR>\n" );
document.write( "=sin<BR>\n" );
document.write( "verified: left side=right side </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );