Due to an arbitrary arc, where the following values are known: end point (x1,y1), radius (r) and the direction arc (by
How to calculate the endpoint of a vector? - 0:212:55Video tip - 58 secondsTheme 10º:Starting point and End point
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Well, it's very simple. As you said, the unit vector \hat{v}=(x,y) has to be proportional to the perpendicular vector \vec{u}=
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