Find the angle between the given vectors. Round to the nearest tenth of a degree.u = i – j, v = 3i + 5j

Find the angle between the given vectors. Round to the nearest tenth of a degree.u = i – j, v = 4i + 5j

Evaluate the line integral along the curve C.ds, C is the curve r(t) = (9 sin t)i + (9 cos t)j + 5tk, 2 ≤ t ≤ 4

Provide an appropriate answer.Find when u = 2 and v = 5 if w(x, y, z) = , x = , y = u + v, and z =

Solve the problem.Write an iterated triple integral in the order for the volume of the tetrahedron cut from the first octant by the plane .

Find the unit tangent vector of the given curve.r(t) = 3t8i – 12t8j + 4t8k

Write the equation for the plane.The plane through the points P(-1, 7, -36) , Q(2, 6, -17) and R(1, -7, 30). 

Test the vector field F to determine if it is conservative.F = i + j – k

If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (4 ln(2t))i + (3t3)j

Evaluate the line integral along the curve C.ds, C is the curve r(t) = (6 sin 2t)i + (6 cos 2t)j + 5tk, 2 ≤ t ≤ 4