Sprint 24 · Chapter 5

Trigonometric Ratios Of 0° And 90°

Understand the limiting behavior of right triangles as angles approach 0 or 90 degrees.

1. 1What Happens at 0°?
2. 2Shrinking Angle A Visual
3. 3What Happens at 90°?
4. 40° and 90° Values
5. 5Check Your Memory: Boundary Angles
6. 6Applying 0 and 90 degree limits