document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=858018>Question 858018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of x in degree 5 (sin ^2)x  + 12 sin x + 4 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516974 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=516974\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the value of x in degree 5 (sin ^2)x + 12 sin x + 4 = 0<BR>\n" );
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document.write( "5sin^2(x) + 12sin(x) + 4 = 0<BR>\n" );
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document.write( "Factor:<BR>\n" );
document.write( "5sin^2(x) + 10sin(x)+2sin(x) + 4 = 0<BR>\n" );
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document.write( "5sin(x)[sin(x)+2][2((sin(x)+2)] = 0<BR>\n" );
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document.write( "(sin(x)+2)(5sin(x)+2] = 0<BR>\n" );
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document.write( "sin(x) = -2 (extraneous)<BR>\n" );
document.write( "sin(x) = -2/5 = -0.4<BR>\n" );
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document.write( "Ans: x = arcsin(-0.4) = -23.58 degrees or 180+23.58 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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