2. Let R(t) = sin 4t î – bcos"(21) j + 2t k. Find the moving %3D trihedral of the curve of R(t) at t= 0.

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A: Let's find.

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A: As per our guidelines, we are supposed to answer?️ only one question. Kindly repost other questions…

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A: This is a problem of arithmetic series. Please follow the procedure given below.