Answer:
8
Step-by-step explanation:
The function u given me is

The period of a function is represented by

where b is the coefficient of the x variable.
The coefficient is pi/4 so

8 is the answer.
The correct answer is letter C
Answer:
I don't think I have do this math yet
1.
tan(theta)947 theta = arc tan(947) theta = 1.56974
3.
3 cos(theta)=0.714 3 cos(theta)/3=0.714/3 theta = arc cos(0.238) theta = 1.33049
5.
tan(5(theta))+7 = -0.241 tan(5(theta)) = -7.241 5(theta) = arc tan(-7.241) theta = -1.433562/5 theta = -0.286712