document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=488194>Question 488194</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4sec(180)-2sin^(2)(270)\r<BR>\n" );
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document.write( "Don't know where to start?\r<BR>\n" );
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document.write( "Maybe convert sec to 1/cos180?\r<BR>\n" );
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document.write( "example:  4(1/cos180)-2sin^2(270) ??? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #333410 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=333410\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4sec(180)-2sin^(2)(270)<BR>\n" );
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document.write( "Using your suggestion, which is a good one.<BR>\n" );
document.write( "4(1/cos180)-2sin^2(270)<BR>\n" );
document.write( "sin 270º=-1<BR>\n" );
document.write( "sin^2(270)=1<BR>\n" );
document.write( "2sin^2(270)=2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "cos 180º=-1<BR>\n" );
document.write( "1/cos180=-1<BR>\n" );
document.write( "4(1/cos180)=-4<BR>\n" );
document.write( "..<BR>\n" );
document.write( "4(1/cos180)-2sin^2(270)=-4-2=-6 </SPAN>\n" );
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