Question

If the period of a sine function is the number of units before the cycle begins to repeat, why would the period of the regression model include a quotient with the number of days in a year?

Answer 1

Answer:

This means that after going around the unit circle once (2π radians), both functions repeat. So the period of both sine and cosine is 2π . Hence, we can find the whole number line wrapped around the unit circle.

Step-by-step explanation: