## Sine and Cosine Functions

### レビュー

4.7 (41 件の評価)

• 5 stars
70.73%
• 4 stars
26.82%
• 3 stars
2.43%

JC

2021年4月10日

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

AM

2021年11月20日

Absolutely loved this course. i recommend it to every beginner

レッスンから

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.

### 講師

• #### Joseph W. Cutrone, PhD

Senior Lecturer and Director of Online Programs