Trigonometric ratios (SOH-CAH-TOA)

What you'll learn

1. Define sine, cosine, and tangent as ratios of specific sides in a right triangle
2. Correctly identify the opposite side, adjacent side, and hypotenuse relative to a specified acute angle
3. Set up and evaluate sin, cos, and tan from a labeled right triangle diagram
4. Find all three trigonometric ratios when given two sides of a right triangle
5. Determine a missing ratio or side relationship when given one trigonometric ratio

Prerequisites

• Pythagorean theorem and common triples