Lecture 5 - Parametric equations
Hi,
When the cycloid is first introduced, the position of a point, P, on the circumference is described as (all the following are vectors)
OP = OA + BA + BP
BP = < -asinTheta, -acosTheta >
I don't understand this as I thought
x = rcosTheta
y = rsinTheta
Therefore should the components of BP be,
BP = < -acosTheta, -asinTheta >?
Thanks

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