Question

 Consider the helix r(t)=(cos(3t),sin(3t),−1t). Compute, at t=π/6:

 A.The unit tangent vector T= (      ,      ,      )

B. The unit normal vector N= (       ,        ,        )

C. The unit binormal vector B= (       ,       ,      )

D. The curvature κ=

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Applications of Derivative

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