document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421985>Question 421985</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve on indicated interval: 0°&#8804;&#920;<2&#960; Find EXACT answers.\r<BR>\n" );
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document.write( "Sin(2&#920;)Sin(&#920;)=cos(&#920;) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294734 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=294734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rewrite <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%282theta%29 ALIGN=MIDDLE  ALT=\"sin%282theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sin%28theta%29cos%28theta%29 ALIGN=MIDDLE  ALT=\"2sin%28theta%29cos%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. The equation becomes\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sin%5E2%28theta%29+cos%28theta%29+=+cos%28theta%29 ALIGN=MIDDLE  ALT=\"2sin%5E2%28theta%29+cos%28theta%29+=+cos%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sin%5E2%28theta%29+cos%28theta%29+-+cos%28theta%29+=+0 ALIGN=MIDDLE  ALT=\"2sin%5E2%28theta%29+cos%28theta%29+-+cos%28theta%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29%282sin%5E2%28theta%29+-+1%29+=+0 ALIGN=MIDDLE  ALT=\"cos%28theta%29%282sin%5E2%28theta%29+-+1%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Either <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29+=+0 ALIGN=MIDDLE  ALT=\"cos%28theta%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2sin%5E2%28theta%29+-+1+=+0 ALIGN=MIDDLE  ALT=\"2sin%5E2%28theta%29+-+1+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%5E2%28theta%29+=+1%2F2 ALIGN=MIDDLE  ALT=\"sin%5E2%28theta%29+=+1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28theta%29+=+sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"sin%28theta%29+=+sqrt%282%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28theta%29+=+-sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"sin%28theta%29+=+-sqrt%282%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "We evaluate the arcsine or arc-cosine of each to produce all possible values of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=theta ALIGN=MIDDLE  ALT=\"theta\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2F2 ALIGN=MIDDLE  ALT=\"pi%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3pi%2F2 ALIGN=MIDDLE  ALT=\"3pi%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, as well as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2F4 ALIGN=MIDDLE  ALT=\"pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7pi%2F4 ALIGN=MIDDLE  ALT=\"7pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3pi%2F4 ALIGN=MIDDLE  ALT=\"3pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5pi%2F4 ALIGN=MIDDLE  ALT=\"5pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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