**Title:** Trigonometry for Solving Problems

**Description:**
This lesson, from Illuminations, is comprised of three activities. Students analyze situations, check for limitations, and examine appropriate solutions using trigonometry. They also practice manipulating trigonometric functions and substituting equivalent expressions.

**Standard(s): **

[MA2015] ALT (9-12) 39: Define the six trigonometric functions using ratios of the sides of a right triangle, coordinates on the unit circle, and the reciprocal of other functions. (Alabama)