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April 18, 2015

April 18, 2015

Posted by **dd** on Monday, August 1, 2011 at 5:45am.

- maths methods -
**MathMate**, Monday, August 1, 2011 at 6:13amHere height = 100 m.

length of cable = 500

angle of depression, θ = sin^{-1}(100/500)

If the length of the chairlift is measured horizontally, then θ would be tan^{-1}(100/500)

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