Let’s think about moving in circles.

• Let’s recall and use some things we know about right triangles.

• Let’s learn about the unit circle.

• Let’s look at angles and points on the unit circle.

• Let’s learn more about cosine and sine.

Let’s use the Pythagorean Identity.

• Let’s find coordinates on a circle.

Let’s study graphs that repeat.

• Let’s graph cosine and sine.

• Let’s go around a circle more than once.

• Let’s think about the value of cosine and sine for all types of inputs.

• Let’s learn more about tangent.

Let's explore graphs of some more trigonometric functions.

• Let's transform the graphs of trigonometric functions.

• Let’s make lots of changes to the graphs of trigonometric functions.

• Let’s compare graphs and equations of trigonometric functions.

• Let's explore a trigonometric function modeling a situation.

• Let's ask questions to figure out transformations of trigonometric functions.

• Let's use trigonometric functions to model circular motion.

• Let's use trigonometric functions to model data.