Question

Find the angle between the given vectors to the nearest tenth of a degree.

u = <2, -4>, v = <3, -8>

Answer 1

Use...

\[\large\vec{a}\cdot\vec{b}=\|\vec{a}\|\|\vec{b}\|\cos(\theta)\]

Answer 2

What's a and what's b?

Answer 3

u and v if you want (any two vectors)

Answer 4

theta is the angle between the vectors

Answer 5

So it's -2*-5cos___

Answer 6

?

Answer 7

u*vcos(theta)

Answer 8

\[\large\vec{u}\cdot\vec{v}=\|\vec{u}\|\|\vec{v}\|\cos(\theta)\]

Answer 9

Ok, thank you!