Why the degree change of the following polar form

32 Views Asked by At

From the following image: enter image description here

Why was $\theta$ changed to 3.08 instead of -3.12? Confused about that point.

Details about the image: converting rectangular form to polar = $5^5$ ∠ $5 * -0.64$

1

There are 1 best solutions below

0
On

Hint: $\theta+2\pi = \theta$. However, the answer should be $3.07$.