Find T, N, and B for the given space curve.r(t) = (cosh t)i + (sinh t)j + tk
A. T = - (tanh t)i +
j +
(sech t)k; N = (-sech t)i - (sinh t)k ;
B. T = (tanh t)i +
j +
(sech t)k; N = (sech t)i - (tanh t)k;
C. T = - (tanh t sech t)i +
j +
(sech t)k; N = (-sech t)i - (tanh t)k;
D. T = (tanh t sech t)i +
j +
(sech t)k; N = (sech2 t)i - (sinh t)k;
Answer: B
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