options: Construct and compare linear and exponential models and solve problems.

Model periodic phenomena with trigonometric functions.

Understand the concept of a function and use function notation.

Prove and apply trigonometric identities.

Build new functions from existing functions.

Define, evaluate, and compare functions.

Build a function that models a relationship between two quantities.

Interpret expressions for functions in terms of the situation they model.

Analyze functions using different representations.

Interpret functions that arise in applications in terms of the context.

Use functions to model relationships between quantities.

Extend the domain of trigonometric functions using the unit circle.
problem_activity: Task
Is there an equilateral triangle $ABC$ so that  $\overline{AB}$ lies on the $x$-axis and $A$, $B$, and $C$ all have integer $x$ and $y$ coordinates?  Explain.


correct_option_index: 3