Find T, N, and B for the given space curve.r(t) = (8t sin t + 8cos t)i + (8t cos t - 8 sin t)j - 6k
A. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = -k
B. T = (-cos t)i - (sin t)j; N = sin(t)i - (cos t)j; B = 6k
C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = k
D. T = (-cos t)i + (sin t)j; N = (sin t)i + (cos t)j; B = -k
Answer: C
You might also like to view...
Find all the local maxima, local minima, and saddle points of the function.
A. f(0, 0) = 0, local minimum B. f(7, 10) = 17,301, saddle point; f(10, 7) = 14,700, saddle point C. f(70, 70) = 882,000, local maximum; f(0, 0) = 0, local minimum D. f(70, 70) = 882,000, local maximum
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t, y = t + 1; -2 ? t ? 3
A. y = -2x + 1; for x in -? < x < ?
B. y = 
x - 1; for x in -? < x < ?
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = 
x + 1; for x in -4 ? x ? 6
Find a rectangular equation for the plane curve defined by the parametric equations.x = t3 + 1, y = t3 - 15; -2 ? t ? 2
A. y = x3; for x in -3 ? x ? 1 B. y = - x2; for x in -4 ? x ? 4 C. y = - x - 16; for x in -7 ? x ? 9 D. y = x - 16; for x in -7 ? x ? 9
Add or subtract.-8.5 - 12.1
A. 20.6 B. 3.6 C. -3.6 D. -20.6