CPM Homework Help : PC Problem 8-32

Given $\cos A = \frac { 5 } { 13 }$ where $0 < A < \frac { \pi } { 2 }$ , find $\csc A$ .

Step 1:

Draw a circle and label the sides of a reference triangle in Quadrant 1.

Step 2:

Find the 3rd side.

Step 3:

Find the $\csc A$ .