### Home > PC3 > Chapter 8 > Lesson 8.1.3 > Problem8-48

8-48.

For $∆ABC$ below, state the ratio in terms of the sides.

1. $\frac { 1 } { \operatorname { cos } ( \alpha ) } =$

$\cos(\alpha)=\frac{c}{b}$

1. $\frac { 1 } { \operatorname { sin } ( \alpha ) } =$

1. $\frac { 1 } { \operatorname { tan } ( \alpha ) } =$