document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=42452>Question 42452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Give an expression that is equivalent to: cos(&#952;+(&#960;/2).\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 #27700 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=27700\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cos(q + (pi)/2) = cos q cos (pi)/2 - sin q sin (pi)/2 =<BR>\n" );
document.write( "cos q * 0 - sin q * 1 =<BR>\n" );
document.write( "-sin q<BR>\n" );
document.write( "that is,<BR>\n" );
document.write( "minus sin theta </SPAN>\n" );
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