document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=810690>Question 810690</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of the expression tan(arcsin(-sqrt2/2)) \r<BR>\n" );
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document.write( "Where do I start? What formula do I use? 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 #488336 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=488336\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of the expression tan(arcsin(-sqrt2/2))<BR>\n" );
document.write( "Where do I start? What formula do I use?<BR>\n" );
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document.write( "arcsin(-sqrt2/2)=an angle(call it x)whose sin=-&#8730;2/2<BR>\n" );
document.write( "So, sinx=-&#8730;2/2<BR>\n" );
document.write( "x=7&#960;/4(arcsin domain:[&#960;/2,-&#960;/2])<BR>\n" );
document.write( "tan(arcsin(-sqrt2/2))=tan 7&#960;/4=-1\r<BR>\n" );
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