document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=793000>Question 793000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the base,N,of an antenna rests on horizontal ground. the angle of elecation of the top R, from a point H on the ground is 42(degrees)<BR>\n" );
document.write( "the angle of elevation of R from a second point, G, 6cm closer to N than H, is 53.2(degrees)<BR>\n" );
document.write( "a)calculate <BR>\n" );
document.write( "i)the length of RG<BR>\n" );
document.write( "ii)the height RN, of the antenna<BR>\n" );
document.write( "b)a third point c, lies on the ground 5.4m form N. the angle of depression of CfromR is x degrees<BR>\n" );
document.write( "calculate to the nearest degree the vaule of x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480211 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=480211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It's all about tangents:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-6%2C19%2C-3%2C22%2C%0D%0Arectangle%280%2C0%2C1%2C1%29%2Cline%28-6%2C0%2C19%2C0%29%2C%0D%0Aline%280%2C0%2C0%2C16.55%29%2C%0D%0Ablue%28line%280%2C16.55%2C18.38%2C0%29%29%2C%0D%0Agreen%28line%280%2C16.55%2C12.38%2C0%29%29%2C%0D%0Ared%28line%28-5.4%2C0%2C0%2C16.55%29%29%2C%0D%0Alocate%28-0.2%2C0%2CN%29%2Clocate%28-0.2%2C18%2CR%29%2C%0D%0Alocate%28-5.6%2C0%2CC%29%2Clocate%2812.4%2C0%2CG%29%2Clocate%2818.4%2C0%2CH%29%2C%0D%0Alocate%2815.2%2C1.9%2C42%5Eo%29%2Clocate%288.4%2C1.9%2C53.2%5Eo%29%2C%0D%0Alocate%28-4.8%2C1.3%2Cx%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=NH=NG%2B6m ALIGN=MIDDLE  ALT=\"NH=NG%2B6m\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=RN%2FNG=tan%2853.2%5Eo%29=1.3367 ALIGN=MIDDLE  ALT=\"RN%2FNG=tan%2853.2%5Eo%29=1.3367\"   DISABLED_style= \"max-width:90%; height:auto;\" > (rounded)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=RN%2FNH=RN%2F%28NG%2B6m%29=tan%2842%5Eo%29=0.9004 ALIGN=MIDDLE  ALT=\"RN%2FNH=RN%2F%28NG%2B6m%29=tan%2842%5Eo%29=0.9004\"   DISABLED_style= \"max-width:90%; height:auto;\" > (rounded) <BR>\n" );
document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28NG%2B6m%29%2FNG=1.3367%2F0.9004 ALIGN=MIDDLE  ALT=\"%28NG%2B6m%29%2FNG=1.3367%2F0.9004\"   DISABLED_style= \"max-width:90%; height:auto;\" > (approximately)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B6m%2FNG=1.4846 ALIGN=MIDDLE  ALT=\"1%2B6m%2FNG=1.4846\"   DISABLED_style= \"max-width:90%; height:auto;\" > (approximately)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6m%2FNG=0.4846 ALIGN=MIDDLE  ALT=\"6m%2FNG=0.4846\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=NG=6m%2F0.4846=highlight%2812.38m%29 ALIGN=MIDDLE  ALT=\"NG=6m%2F0.4846=highlight%2812.38m%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=NH=12.38m%2B6m=highlight%2818.38m%29 ALIGN=MIDDLE  ALT=\"NH=12.38m%2B6m=highlight%2818.38m%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=RN%2FNH=0.9004 ALIGN=MIDDLE  ALT=\"RN%2FNH=0.9004\"   DISABLED_style= \"max-width:90%; height:auto;\" > (rounded) so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=RN=%2818.38m%29%2A0.9004=highlight%2816.55m%29 ALIGN=MIDDLE  ALT=\"RN=%2818.38m%29%2A0.9004=highlight%2816.55m%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <BR>\n" );
document.write( "b) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28%28x%29%29=RN%2FNC=16.55m%2F%225.4+m%22=3.065 ALIGN=MIDDLE  ALT=\"tan%28%28x%29%29=RN%2FNC=16.55m%2F%225.4+m%22=3.065\"   DISABLED_style= \"max-width:90%; height:auto;\" > (rounded)<BR>\n" );
document.write( "Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%2871.93%5Eo%29=3.065 ALIGN=MIDDLE  ALT=\"tan%2871.93%5Eo%29=3.065\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=71.9%5Eo%29 ALIGN=MIDDLE  ALT=\"highlight%28x=71.9%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (approximately) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );