The table provides various values, including all minimums and maximums, of a cosine function f(x) on the interval [0, π).

Question

The table provides various values, including all minimums and maximums, of a cosine function f(x) on the interval [0, π).      
Angle  0    π/4    7π/12      3π/4      11π/12      π 
f(x)      1     3           0          -1                0           1

What is the period of the function?
A) π/3.
B) π/2.
C) π.
D) 2π.

Kunduz · Accepted Answer

Click to see the answer