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Slope of Tangent at a Parametric Point
At:
$$P(a\cos\theta,b\sin\theta)$$
the slope of the tangent is:
$$m_t=-\frac{b\cos\theta}{a\sin\theta}$$
Terminology
- $$m_t$$ → Slope of the tangent.
Usage
- Used to obtain the tangent slope directly from the parametric angle.
