Answer: Is that the full question?
Step-by-step explanation:
I need more info
Answer:
Step-by-step explanation:
Cos θ =<u> u*v </u>
IuI *IvI
u * v = 7*(-1) + (-2)*2
= -7 - 4
= -11
IuI = 
= 
= 
I vI = 
= 
= 
Cos θ = 
= 
Cos θ = -0.68
θ = 132.5°
P^4 , p^3 , p^2 , p
hope that helps you!
Answer:
option 3
Step-by-step explanation:
