#### MA19.A2.35

Choose trigonometric functions (sine and cosine) to model periodic phenomena with specified amplitude, frequency, and midline.

### Unpacked Content

## UP:MA19.A2.35

### Vocabulary

- Trigonometric functions
- Periodic phenomena
- Amplitude
- Frequency
- Midline

### Knowledge

- Key features of trigonometric functions (e.g., amplitude, frequency, and midline).
- Techniques for selecting functions to model periodic phenomena.

### Skills

- Determine the amplitude, frequency, and midline of a trigonometric function.
- Develop a trigonometric function to model periodic phenomena.

### Understanding

- Trigonometric functions are periodic and may be used to model certain periodic contextual phenomena.
- Amplitude, frequency, and midline are useful in determining the fit of the function used to model the phenomena.