8. Find u v.

u=(-5,6)

v=(-1,-6)

10. Find the angle (in radians) between the vectors. (Round your answer to two decimal places.)

u=3i+4j

v=-2j

11. Find the angle (in degrees) between the vectors. (Round your answer to two decimal places.)

u=3i+4j

v=8i + 7j

14a. Find the projection of u onto v.

u=(3,3)

v=(-6,1)

14b. Write u as the sum of two orthogonal vectors, one of which is proj_vu.

u = proj_vu +

15a. Find the projection of u onto v.

u=(6,4)

v=(6,-9)

proj_vu=

15b. Write u as the sum of two orthogonal vectors, one of which is proj_vu.

u = proj_vu +