Question

1. Calcule o ˆangulo θ entre os vetores ~u e ~v nos casos abaixo:

(a) ~u = (1, 0, 5), ~v = (0, 1, 0)

(b) ~u = (1, 7, 5), ~v = (1, 1, −5)

HELP ME

Answer 1

(b) ~u=(1,0,5),~v=(0,1.0)