QuestionDetermine if the ratio $\frac{y}{r}$ is positive or negative for the point $(x, y)$ in quadrant II, where $r=\sqrt{x^{2}+y^{2}}$.

Studdy Solution
Since $y$ is positive and $r$ is positive, the ratio $\frac{y}{r}$ is positive.
So, the ratio $\frac{y}{r}$ is positive in the second quadrant.