HSIII.5 Trigonometric Functions (A9)

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=e39ff5d49cfc10c05618bb5a9ce57fa79dcb48dfaef750372057a2c79e91f3ef

As the World Turns (HS)

How fast is the Earth spinning? Students use rates, arc length, and trigonometric ratios to determine how fast the planet is spinning at different latitudes.

Topic: Circles (C), Similarity, Right Triangles, and Trigonometry (SRT)

Middle Lesson

Aws4 request&x amz signedheaders=host&x amz signature=4af0cce1578f58ff5d9a4cde2d8517b8b066b92d818da6cb571f1f3691bdc821

Icy Hot (HS)

How have temperatures changed around the world? Students use trigonometric functions to model annual temperature changes at different locations around the globe and explore how the climate has changed in various cities over time.

Topic: Building Functions (BF), Interpreting Functions (IF)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=5753326857f16757c48801e02f9a2d1a5941b927d6c695e0c2c1a45d16cb816e

The Sound of Silence

How do noise-canceling headphones work? In this lesson, students use transformations of trigonometric functions to explore how sound waves can interfere with one another, and how noise-canceling headphones use incoming sounds to figure out how to produce that sweet, sweet silence.

Topic: Building Functions (BF), Interpreting Functions (IF)