Question

Which of the following is the graph of f(x) = cos(x+
+32

Answer 1

B

Explanation:

pi / 2 is equal to 180°/2 which is 90°.

Cos (90°) = 0

if cos90 = 0 then what kind of graph will we have at 90° to the x axis ?

a graph passing through the origin. (0,0)