### Home > A2C > Chapter 13 > Lesson 13.1.2 > Problem 13-30

13-30.

Jeremy used the

Using a unit circle:

Draw a Unit circle and estimate 37 degrees.

Since sin is height, draw in the height to the *x*-axis.

Find and draw the same height any other place it may occur on the unit circle.

Calculate the new angles.

*n* is any integer.

Using a graph:

Draw the sine curve.

Draw

Find the *x*-values where the two graphs intersect.

Label the solution

Use Symmetry to find other solutions.