Question: Given the plane curve r(t) = ti+ sin (t)j. a. Find the unit tangent and unit normal vectors at t =/4. Hint: for just

Given the plane curve r(t) = ti+ sin (t)j. a. Find the

Given the plane curve r(t) = ti+ sin (t)j. a. Find the unit tangent and unit normal vectors at t =/4. Hint: for just rotate T appropriately. b. Find the center of the osculating circle.

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