# Find ds/d? for the curves : r = a(1 + cos ?) etc.,

Tangent and Normal (I)

(Differential Calculus)

Find ds/d? for the curves : (a) r = a(1 + cos ?) (b) r = ae?cot?

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#### Solution Summary

This solution is comprised of a detailed explanation for finding ds/d? for the curves.

It contains step-by-step explanation for finding ds/d? for the curves :

(a) r = a(1 + cos ?) (b) r = ae?cot?

Solution contains detailed step-by-step explanation.

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