### Home > CALC > Chapter 1 > Lesson 1.2.1 > Problem 1-26

1-26.

Find the exact value of each of the following trig expressions. Homework Help ✎

csc

*π*

Recall your unit circle, or the graph of *f*(*x*) = sin*x*.

Which one?

Now simplify!

Now simplify!

Careful! sin*π* = 0. What does that mean about the reciprocal of sin*x*?