Question

Given that vector c=a-b , vector c has a magnitude of 10 units and direction 270, vector a has a magnitude of 2 units and direction 150.
A) write the vector c in terms of unit vectors i,j,k.
B) write the vector a in terms of unit vectors i,j,k.
C) write the vector b in terms of unit vectors i,j,k.
D) find the magnitude and direction of the vector b.