### Home > INT3 > Chapter 12 > Lesson 12.2.2 > Problem12-92

12-92.

Use the Pythagorean Identity to determine the missing coordinate of this point on the unit circle: $\left(?,-\frac{3}{8}\right)$.

$\sin^2θ+\cos^2θ=1$

$\text{sin } \theta = -\frac{3}{8}$