Answer:
The sine and cosine functions have a period of 2π radians and the tangent function has a period of π radians. Domain and range: From the graphs above we see that for both the sine and cosine functions the domain is all real numbers and the range is all reals from −1 to +1 inclusive.
Step-by-step explanation:
If you just divide 60 and 15 you will get 4. So 4 is you answer
Answer:
D.
Step-by-step explanation:
Answer:
It will travel

in 45 minutes.
Step-by-step explanation:
We can solve using proportions.
