document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=712635>Question 712635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the exact value of sin(-75) using the half-angle formula? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438087 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=438087\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{\theta}{2}\right) = -\sqrt{\frac{1-\cos(\theta)}{2}}\" title=\"X\" /> ... Half Angle Formula (for this given angle)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\sqrt{\frac{1-\cos(-150)}{2}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\sqrt{\frac{1+\cos(150)}{2}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\sqrt{\frac{1+\frac{\sqrt{3}}{2}}{2}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\sqrt{\frac{1}{2}+\frac{\sqrt{3}}{4}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\sqrt{\frac{2}{4}+\frac{\sqrt{3}}{4}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\sqrt{\frac{2+\sqrt{3}}{4}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\frac{\sqrt{2+\sqrt{3}}}{\sqrt{4}}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(\frac{-150}{2}\right) = -\frac{\sqrt{2+\sqrt{3}}}{2}\" title=\"X\" />\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(-75\right) = -\frac{\sqrt{2+\sqrt{3}}}{2}\" title=\"X\" />\r<BR>\n" );
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document.write( "Answer:  <IMG STYLE=\"max-width:80%;\" src=\"http://latex.codecogs.com/gif.latex?\sin\left(-75\right) = -\frac{\sqrt{2+\sqrt{3}}}{2}\" title=\"X\" /> </SPAN>\n" );
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