Answer:
-2
Step-by-step explanation:
So, the function is obviously shifted up by 1 so it rules out A and B, and we also see that the period is 4pi rather than 2pi, and using the fact that:

Now that we know our b value, we see that the correct answer would be C.
I am not sure about this but in my opinion it would be 32 sorry if It's wrong. I hope this helped! :)
(I couldn't understand the question correctly)