document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597047>Question 597047</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve these identities! tan[cos^-1(-square root of 3/2)] and the answer in the book is -square root of 3/3.<BR>\n" );
document.write( "cos(-theta)-cos(theta)=? i think its zero?? any help is appreciated. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378009 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=378009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help me solve these identities! tan[cos^-1(-square root of 3/2)] and the answer in the book is -square root of 3/3.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "tan[cos^-1(&#8730;3/2)]<BR>\n" );
document.write( "cos^-1(&#8730;3/2 is an angle whose cos=&#8730;3/2<BR>\n" );
document.write( "This angle is &#960;/6<BR>\n" );
document.write( "so tan[cos^-1(&#8730;3/2)]<BR>\n" );
document.write( "=tan &#960;/6=&#8730;3/3 </SPAN>\n" );
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