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 Trigonometry Word Problems

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Stephan is standing on a mesa at the Painted Desert. The elevation of the mesa is about 1380 meters and Stephans eye level is 1.8 meters above ground level. If Stephen can see a band of multicolored shale at the bottem and the angle of depression is 29 degrees , about how far is the band of Shale from his eyes?
 Oct 4, 2016

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I think this requires the cosine function:

1,380 + 1.8 =1,381.8 meters - the height to his eye level

Cos(29) =1,381.80 / Distance to the shale

0.87462=1,381.80 / Distance to the shale

Distance to the shale =1,381.80 / .87462

Distance to the shale =~1,580 meters.

 Oct 4, 2016

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