The problem
Find the exact value of tan(45°).
Answer
tan(45°) = 1
Worked solution
- 45° on the unit circle.
- The reference angle is 45°, and 45° is in quadrant I, where tan is positive.
- tan(45°) = 1 (about 1)
How members answered
- 13tried
- 62%first try
- 8solved
Top wrong answers: 45 (2).