document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=297319>Question 297319</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all the solutions if 0 degrees < or equal x < 360\r<BR>\n" );
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document.write( "2sin^2x - sinx = 1 \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214115 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=214115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2sin^2x - sinx = 1<BR>\n" );
document.write( "2sin^2(x) - sin(x) - 1 = 0<BR>\n" );
document.write( "It's a quadratic in sin(x)<BR>\n" );
document.write( "(2sin +1 )*(sin - 1) = 0<BR>\n" );
document.write( "sin = -1/2<BR>\n" );
document.write( "sin = 1<BR>\n" );
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document.write( "sin = -1/2 --> x=210, 330<BR>\n" );
document.write( "sin = 1 --> x = 90<BR>\n" );
document.write( "All values of x in degrees\r<BR>\n" );
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