A. B. Let the position vecor be R(t) = (-t, 4 cos (2t), 4 sin(2t)). Compute the principal unit normal vector N(t). (-1,-8 sin(2t), 8 cos(2t)) √65 (-t, 4 cos(2t), 4 sin(2t)) √65 O C. (-1,-8 sin(2t), 8 cos(2t)) D. (0,- (cos(2t)),- (sin(2t))) E. (0,- (16 cos(2t)),-16 sin(2t)) 65

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A: If  is vector valued function which is differentiable and then the unit tangent of is given by

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Q: (1) The position vector r of a missile at any time t is given by r = tį + (8t – t)j where į and j…

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Q: Given the vector function 7(t) = (t, sin (t) – t cos (t), cos (t) +t sin (t)) Calculate B (34)

A: