## Sine and Cosine Functions

### Avaliações

4.7 (67 classificações)

• 5 stars
74,62%
• 4 stars
22,38%
• 3 stars
2,98%

JC

10 de abr de 2021

Excellent course. Trigonometric concepts that, in previous courses, had been intimidating, confusing and tedious became dramatically less so.

MC

3 de abr de 2022

Would have liked more background into range, domain, etc since it was on test questions....

Na lição

Module 3: Sine and Cosine as Periodic Functions

Sine and cosine are now introduced using the unit circle, which is the circle centered at the origin with radius one. This definition of our key periodic functions extends the definition originally introduced with right triangles.