Question

How do I find the period of a sine/cosine function??
For Example:

Answer 1

Answer: use 2 π | b | , where is the frequency.

Explanation:

To find the period of any sine or cosine function, use 2 π | b | , where is the frequency. Using the first graph above, this is a valid formula: 2 π 1 2 = 2 π ⋅ 2 = 4 π .

Hope that helps