Question

Select the correct answer.Which angle is an x-intercept for the function Y=coscos(11),OA 0OB.Ос. .OD. 21

Answer 1

At the x-intercept of the function, y = 0, then:

y = cos(0.5*x) = 0

Solving for x:

0.5*x = arccos(0)

0.5*x = 0.5*π

x = π