### Home > PC > Chapter 4 > Lesson 4.2.4 > Problem 4-113

4-113.

Find all values of

*θ*where*θ*€ [0, 2] (*θ*is an element of the interval from 0 to 2). Homework Help ✎csc

*θ*=sec

*θ*= −tan

*θ*is undefinedcot

*θ*= −1

Rewrite csc*θ* in terms of sin*θ*.

Flip the fraction on both sides.

Rationalize the denominator.

Simplify.

The sine function is positive in Quadrants I and II.

Use the same thinking process as in (a).

Use the same thinking process as in (a).