document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100864>Question 1100864</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the given information to find the values of sin &#945;/2 , cos &#945;/2 , tan &#945;/2\r<BR>\n" );
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document.write( "sin &#945; = 8/17 ; &#960;/2 < &#945; < &#960;\r<BR>\n" );
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document.write( "a. sin &#945;/2 = ___\r<BR>\n" );
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document.write( "b. cos &#945;/2 = ___\r<BR>\n" );
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document.write( "c. tan &#945;/2 = ___ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715401 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=715401\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the given information to find the values of sin &#945;/2 , cos &#945;/2 , tan &#945;/2 <BR>\n" );
document.write( "sin &#945; = 8/17 ; &#960;/2 < &#945; < &#960;<BR>\n" );
document.write( "Find cos(a)::<BR>\n" );
document.write( "Since sin(a) = 8/17, y =  8, r = 17<BR>\n" );
document.write( "So x = sqrt(17^2-8^2) = 25<BR>\n" );
document.write( "And cos(a) = x/r = 25/17<BR>\n" );
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document.write( "a. sin &#945;/2 = sqrt[(1-cos(a))/2] = sqrt[(1-25/17)/2] <BR>\n" );
document.write( "b. cos &#945;/2 = sqrt[(1+cos(a)/2] = sqrt[(1+(25/17))/2] <BR>\n" );
document.write( "c. tan &#945;/2 = sqrt[(1-(25/17)/1+(25/17)]<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "--------------------  </SPAN>\n" );
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