### Home > PC3 > Chapter 5 > Lesson 5.2.2 > Problem 5-69

5-69.

If

Draw a triangle diagram and label known sides.

Determine the length of the missing side.

Evaluate cos(*θ*). What sign should be used?

5-69.

If

Draw a triangle diagram and label known sides.

Determine the length of the missing side.

Evaluate cos(*θ*). What sign should be used?