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Multivariable & Vectoreasy
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Let CCC be the curve parameterized by r(t)=⟨cos⁡(t),sin⁡(t)⟩\mathbf{r}(t) = \langle \cos(t), \sin(t) \rangler(t)=⟨cos(t),sin(t)⟩ for 0≤t≤π/20 \le t \le \pi/20≤t≤π/2. Find the value of the scalar line integral ∫C1 ds\int_C 1 \, ds∫C​1ds.