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

Prove and apply trigonometric identities.

Define, evaluate, and compare functions.

Build new functions from existing functions.

Extend the domain of trigonometric functions using the unit circle.

Use functions to model relationships between quantities.

Analyze functions using different representations.

Construct and compare linear and exponential models and solve problems.

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

Model periodic phenomena with trigonometric functions.

Understand the concept of a function and use function notation.

Build a function that models a relationship between two quantities.
problem_activity: Problem 1
Find
$${\mathrm{sin}(u-v)}$$
given
$${\mathrm{sin}(u)={8\over17}}$$
with
$${0\leq u \leq {\pi\over2}}$$
and
$${\mathrm{cos}(v)=-{24\over25}}$$
with
$${\pi \leq v \leq {3\pi\over2}}$$
.
Problem 2
Evaluate:
$${\mathrm{sin}(-15^{\circ})}$$
$${\mathrm{cos}(15^{\circ})}$$


correct_option_index: 1