### Home > PC > Chapter 1 > Lesson 1.4.1 > Problem 1-138

1-138.

Make a sketch. What is the angle opposite the shorter side? What trig function involves this angle and the opposite and ajacent sides of it?

Follow a similar process as (a) above.

1-138.

Make a sketch. What is the angle opposite the shorter side? What trig function involves this angle and the opposite and ajacent sides of it?

Follow a similar process as (a) above.