## Sine and Cosine Functions

### Рецензии

4.7 (оценок: 67)

• 5 stars
74,62 %
• 4 stars
22,38 %
• 3 stars
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EK

6 янв. 2021 г.

The course is challenging. I learned a lot about trigonometric functions and their behavior. I can now understand periodic ODEs better now...

MC

3 апр. 2022 г.

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

Из урока

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.

### Преподаватели

• #### Joseph W. Cutrone, PhD

Associate Teaching Professor and Director of Online Programs