document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=875008>Question 875008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if sin theta 1 +sin theta 2 + sin theta 3= 3 <BR>\n" );
document.write( "then find cos theta 1 +cos theta 2 + cos theta 3...???? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #527888 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=527888\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Zero -- since <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \sin \theta_i \in [-1,1]\">, the only solutions to <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \sin \theta_1 + \sin \theta_2 + \sin \theta_3 = 3\"> occur when <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \sin \theta_1 = \sin \theta_2 = \sin \theta_3 = 1\">. By the Pythagorean identity <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \sin^2 x + \cos^2 x = 1\">, we have <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \cos \theta_i = 0\">. </SPAN>\n" );
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