ashhold ashhold
  • 03-03-2017
  • Mathematics
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Find the angular size of a circular object with a 3​-inch diameter viewed from a distance of 6 yards.

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jdoe0001 jdoe0001
  • 03-03-2017
check picture below
thus [tex]\bf tan(\theta)=\cfrac{sin(\theta)}{cos(\theta)}\qquad thus \\\\\\ tan(\theta)=\cfrac{3}{6}\implies tan(\theta)=\cfrac{1}{2} \\\\\\ \theta=tan^{-1}\left( \cfrac{1}{2} \right)[/tex]
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