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  • 26-03-2017
  • Mathematics
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Trigonometry help questions in attachment

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irspow
irspow irspow
  • 26-03-2017
Use the law of sines....

sin51/x=sin90/67

x=(67sin51)/sin90

x=52.07

....

tan39=(h-1.8)/44

h-1.8=44tan39

h=44tan39+1.8

h=37.4 m

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