Electric motor query - power and torque

[DJC]

If you can take opposite from the map why not adjacent?

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[The Natural Philosopher]

In reality a sextant or theodolite can do any of the above

[Roger Mills]

Indeed. And it might save a lot of angst if we specified gradients in terms of angle with the horizontal - so my 15% slope would simply be 8.6 degrees - although at small angles like that, there's little difference between sine and tangent.

[PeterC]

Of course! Not thinking - too long in The Malt Shovel Tavern!