What is the standard value of cos 0°?
Note
This is a standard special-angle value students should recognize: cos 0° = 1. Remembering 0°, 30°, 45°, 60°, and 90° helps solve many right-triangle problems quickly.
What is the standard value of cos 0°?
This is a standard special-angle value students should recognize: cos 0° = 1. Remembering 0°, 30°, 45°, 60°, and 90° helps solve many right-triangle problems quickly.