- #1

critter

- 9

- 0

|x'

_{r}x'

_{θ}|

|y'

_{r}y'

_{θ}|

I know that the x primes are cos(θ) and -rsin(θ), and the y primes are sin(θ) and rcos(θ), respectively. I am not sure what to do with the matrix. The original functions do look familiar, but I do not remember what they mean.