That’s a lot of work to do but you probably got it by now .
Answer:
Step-by-step explanation:
Answers are explained/Solved in the attach document.
ANSWER
Period: 2π , amplitude: 4
EXPLANATION
The graphed function is

The amplitude of this function is

The period is 2π because there is no phase shift hence the period is still equal to the parent function.
Period: 2π , amplitude: 4
The answer to that problem is A