SOLUTION: Which of these is not a periodic function a) y= -cos x b) y= 3 + sin x C) y= x^2-2 d) y= sin x

Algebra ->  Functions -> SOLUTION: Which of these is not a periodic function a) y= -cos x b) y= 3 + sin x C) y= x^2-2 d) y= sin x      Log On


   

Question 1114728: Which of these is not a periodic function
a) y= -cos x
b) y= 3 + sin x
C) y= x^2-2
d) y= sin x
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Which of those are cyclic and which are not? The noncylcic choices will have no trigonometric functions in them.