document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891837>Question 891837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me these problems\r<BR>\n" );
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document.write( "1) sin &#960;/2=cos\r<BR>\n" );
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document.write( "2&#960; <BR>\n" );
document.write( "non of these<BR>\n" );
document.write( "&#960; <BR>\n" );
document.write( "&#960; /2<BR>\n" );
document.write( "3&#960;/3\r<BR>\n" );
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document.write( "2) sin &#960; /6=cos\r<BR>\n" );
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document.write( "&#960;/3<BR>\n" );
document.write( "non of these <BR>\n" );
document.write( "&#960;/4<BR>\n" );
document.write( "&#960;/6<BR>\n" );
document.write( "&#960;/2\r<BR>\n" );
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document.write( "3) cos &#960;/2=sin\r<BR>\n" );
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document.write( "&#960;/4<BR>\n" );
document.write( "non of these <BR>\n" );
document.write( "&#960;/2<BR>\n" );
document.write( "&#960; <BR>\n" );
document.write( "3&#960;/3\r<BR>\n" );
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document.write( "4)sin &#960;/4=cos\r<BR>\n" );
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document.write( "non of these<BR>\n" );
document.write( "&#960;/2<BR>\n" );
document.write( "&#960;/3<BR>\n" );
document.write( "&#960;/6<BR>\n" );
document.write( "&#960;/4\r<BR>\n" );
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document.write( "thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540076 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=540076\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> please help me these problems <BR>\n" );
document.write( "1) sin &#960;/2=cos <BR>\n" );
document.write( "2&#960; <BR>\n" );
document.write( "non of these<BR>\n" );
document.write( "&#960; <BR>\n" );
document.write( "&#960; /2<BR>\n" );
document.write( "3&#960;/3 <BR>\n" );
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document.write( "sin(pi/2) = sin(90 deg) = 1<BR>\n" );
document.write( "Find the angle whose cosine = 1 (called arccos(1), acos(1), invcos(1) )<BR>\n" );
document.write( "In degs, it's 0, 180, 360, etc<BR>\n" );
document.write( "In radians, it's 0, pi, 2pi, etc<BR>\n" );
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document.write( "Do the others the same way. </SPAN>\n" );
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