### Home > PC3 > Chapter 8 > Lesson 8.2.2 > Problem8-80

8-80.
1. Calculate the angle between each pair of vectors below. Homework Help ✎

1. and

2. 3i + 4j and –2j

−6 · 2 + 3 · 4

These vectors are ⟨3, 4⟩ and ⟨0, −2⟩.