Answer with Explanation:
Part 1)
The given sine wave is as

The graphical representation of the wave is shown in the attached figure:
Part 2)
For a general wave equation
'A' is defined as amplitude of the wave
is defined as phase of the wave
Upon comparing with the given wave function we observe
1) Amplitude of the given wave is 3
2) Phase of the given wave 
Explanation:
2.there will be 8 books left on the shelf if each child takes one
If it's a hardware problem, find a mechanic or buy replacement parts.
If it's a software issue, someone ranked high on Brainky may know the programming language.
A handy hint is just to ask! If your question isn't answered, try elsewhere!
Answer: any job that has programming in it
Answer:
apple watches can break, and they can deffinetly have cameras if they engineered right.
Explanation: