Find the unit tangent and the principal normal vectors

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Reference no: EM131013503

A parametrized curve is given by: r(t)= (3cos(t), 5sin(t), 4cos(t))

1. at t= π/4 , determine the vector r^→'(t) X r^→''(t). (First derivate crossed with second derivate)

2. At t= π/4 , find the unit tangent and the principal normal vectors T(t) and N(t).

Reference no: EM131013503

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