document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1132598>Question 1132598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rewrite cos(x+π/6) in terms of sin(x) and cos(x)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #749682 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=749682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cos (u+/-v)=cos u*cos v-/+ sin u*sin v<BR>\n" );
document.write( "u is x and v is pi/6<BR>\n" );
document.write( "=cos x*cos pi/6-sin x * sin pi/6; cos pi/6 is sqrt(3)/2, and sin pi/6 is 0.5<BR>\n" );
document.write( "=sqrt(3)/2*cos x-(1/2) sin x. </SPAN>\n" );
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