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December 19, 2014

December 19, 2014

Posted by **Adam** on Sunday, November 18, 2012 at 5:17am.

- Trig -
**Steve**, Sunday, November 18, 2012 at 3:13pmIf it takes x hours to cross the river as intended, and

200ft = .06096 km

0.06096^2 + (5x)^2 = (35x)^2

x = 0.00175976

tanθ = 5*0.00175976 / 0.06096 = 0.14433

θ = 8.2°

hmm. or, with less calculation,

sinθ = 5/35 = 1/7

θ = 8.2°

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