Question

Rotate the vector by the angle given. What is the component form of the resulting vector?

w= (3,7) by 180 degrees

Answer 1

are you supposed to use rotation matrices

Answer 2

I think so.

These are my answer choices:
A. (-3.,-7)
B. (7,-3)
C. (3,-7)
D. (-7,3)

Answer 3

It's either that or we need to you use. cos, and sin. im really stuck on this.

Answer 4

I believe it's A.

Answer 5

A is the correct final answer!

Answer 6

Thank you!