Yep, precisely. But there's next to no difference between sine and tangent at small angles (below 20 degrees, which is actually exceedingly steep for a road), so the point is a fairly moot one.Skip Madness said:Legs, if I'm following (and I'm not convinced I am) - are you saying the difference between the sine and the tangent is that the sine is the distance of the tarmac and the tangent is the distance of the ground beneath the tarmac?
I agree with this.Skip Madness said:Hypotenuse makes more sense, 1km at 7% should mean 1km of riding.
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