Find B and for the space curve below. r(t) = (6 sin 4t)i + (6 cos 4t)j + 7tk T = 24 cos 4t 25 4¹) ₁ - (24 24 sin 4t 25 N = (sin 4t)i - (cos 4t)j K 11 96 625 7 -k 25

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