Mathematics, 19.02.2020 00:51 Kayccee9958

Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve. Choose the correct answer for the unit tangent vector of:1) (sin t)j + (cost)k2) (- cos t)j + (sin t)k 3) (sin 2t)j +(cos 2t)k 4) (-cos 2t)j + (sin 2t)k

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