Question

Sketch the graph of y=sin x in the interval 0 13 years ago

Answer 1

the symbols are less than or equal to ! *

Answer 2

meaning between 0 and 4pi. Since sine is periodic between 0 and 2pi, it should go:
(0,0),(pi/2,1),(pi,0),(3pi/2,-1),(2pi,0) and repeat until you get to 4pi.

Answer 3

I have a horrible teacher just touched this topic and did not even explain how to do this -_- but thank you very much :)