The period of a sine and cosine is 2pi. The amplitude is 1.
Answer:

Step-by-step explanation:

Answer:
Yes??
Step-by-step explanation:
Whats the question? Is this your answer? <Confused>
Answer:
idk
Step-by-step explanation:
400 miles -----------4 hours
X miles ------------2 hours
4x=400.2
4x=800
X=200
Or
400miles --------------- 4hours
X miles --------------- 6 hours
4x=400.6
4x=2.400
X= 600