1.Vector v is and vector w is <1,-4>. A. Find the magnitude of vector v. (Exact value) B. Find the angle between the vectors v

1.Vector v is <-3, 6> and vector w is <1,-4>.

A. Find the magnitude of vector v. (Exact value)

B. Find the angle between the vectors v and w, accurate to the nearest hundredth of a degree.

2.Solve the trigonometric equation (sin x)(2cos x - 1) = 0 in the interval [0, 360)