### Home > PC > Chapter 4 > Lesson 4.1.2 > Problem4-25

4-25.

It must be a 3-4-5 triangle because of the Pythagorean Theorem. Determine the two sine values.

$\tan(\theta)=\frac{\text{opposite}}\text{{adjacent}}=\frac{\pm4}{3}=\pm\frac{4}{3}$