document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206406>Question 1206406</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this equation.<BR>\n" );
document.write( "Find sin(2x), cos(2x), and tan(2x) from the given information.<BR>\n" );
document.write( "tan(x) = −4/3, x in Quadrant II<BR>\n" );
document.write( "sin(2x)	=	<BR>\n" );
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document.write( "cos(2x)	=	<BR>\n" );
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document.write( "tan(2x)	=	<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #843886 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=843886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "Please help me with this equation.\r\n" );
document.write( "Find sin(2x), cos(2x), and tan(2x) from the given information.\r\n" );
document.write( "tan(x) = −4/3, x in Quadrant II\r\n" );
document.write( "sin(2x)	=	\r\n" );
document.write( " \r\n" );
document.write( "cos(2x)	=	\r\n" );
document.write( " \r\n" );
document.write( "tan(2x)	=\r\n" );
document.write( "\r\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C9%2C+tan%28x%29%2C+%22=%22%2C+-+4%2F3%2C+%22=%22%2C+O%2FA%2C+%22=%22%2C+y%2Fx%2C+%22=%22%2C+4%2F%28-+3%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >, with x in Quadrant II\r\n" );
document.write( "As this is a PYTHAGOREAN TRIPLE (3-4-5), r = 5.\r\n" );
document.write( "             Therefore, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C7%2C+sin+%28x%29%2C+%22=%22%2C+O%2FH%2C+%22=%22%2C+y%2Fr%2C+%22=%22%2C+4%2F5%2C+cos+%28x%29%2C+%22=%22%2C+A%2FH%2C+%22=%22%2C+x%2Fr%2C+%22=%22%2C+%28-+3%29%2F5%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C9%2C+highlight%28highlight_green%28highlight%28sin+%282x%29%29%29%29%2C+%22=%22%2C+2+sin+%28x%29+cos+%28x%29%2C+%22=%22%2C+2%284%2F5%29%28%28-+3%29%2F5%29%2C+%22=%22%2C+%288%2F5%29%28%28-+3%29%2F5%29%2C+%22=%22%2C+highlight%28highlight_green%28highlight%28-+24%2F25%29%29%29%2C+highlight%28highlight_green%28highlight%28cos+%282x%29%29%29%29%2C+%22=%22%2C+cos%5E2+%28x%29+-+sin%5E2+%28x%29%2C+%22=%22%2C+%28%28-+3%29%2F5%29%5E2+-+%284%2F5%29%5E2%2C+%22=%22%2C+%289%2F25%29+-+%2816%2F25%29%2C+%22=%22%2C+highlight%28highlight_green%28highlight%28-+7%2F25%29%29%29%2C%0D%0Ahighlight%28highlight_green%28highlight%28tan+%282x%29%29%29%29%2C+%22=%22%2C+sin+%282x%29%2Fcos+%282x%29%2C+%22=%22%2C+%28-+24%2F25%29%2F%28-+7%2F25%29%2C+%22=%22%2C+%28-+24%2F25%29%28-+25%2F7%29%2C+%22=%22%2C+highlight%28highlight_green%28highlight%2824%2F7%29%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ></PRE> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );