### Home > INT3 > Chapter 3 > Lesson 3.2.1 > Problem 3-76

3-76.

Solve for the indicated value. Leave your answers in exact form. Homework Help ✎

______

Use the Pythagorean Theorem.

______Use the Pythagorean Theorem to find the missing side. Is the triangle a special one?

This is a

triangle. Therefore, is.

______The inverse tangent function will be helpful here.

______Use the cosine ratio or special right triangles.