document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=409939>Question 409939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, please help me with this problem:\r<BR>\n" );
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document.write( "What is the exact value of cos (sin inverse Sqrt(2) / 2) ?\r<BR>\n" );
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document.write( "Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288554 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=288554\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the exact value of cos (sin inverse Sqrt(2) / 2) ?\r<BR>\n" );
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document.write( "..<BR>\n" );
document.write( "The first thing to remember is that the inverse of a trig function is always equal to some angle. So, for the given sin inverse, it is asking the question:<BR>\n" );
document.write( "What angle will make the sin function=sqrt(2)/2, and you know the sin of 45 deg is sqrt(2)/2. The answer to the problem , then, is cos 45 deg which also happens to be sqrt(2)/2.  </SPAN>\n" );
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