Question

What is the domain of y=sin x?
What is the range of y=sin x?

Answer 1

assuming there's no restrictions.

D: element of real numbers
R: greater or equal to -1, less then or equal to 1

Answer 2

Above is what i need help with.

Answer 3

4 through 8

Answer 4

draw out the graphs and see for yourself

Answer 5

I dont know how, thats why im asking for help.

Answer 6

http://regentsprep.org/Regents/math/algtrig/ATT7/sinusoidal.htm