Chapter 3 - Radian Measure and the Unit Circle - Section 3.3 The Unit Circle and Circular Functions - 3.3 Exercises - Page 117: 44

There are two possible answers: Approximately $1.25$ or $5$

Draw the vertical line $x=0.3$ on the given figure. This vertical line will intersect the unit circle at two points whose approximate coordinates are: $(0.3, 1,25)$ and $(0.3, 5)$