Odd Function

A function is an Odd Function if the following equation is true:

f(-x) = -f(x)

This is true for the function y=x:

• x=1 –> y=1
• x=-1 –> y=-1
• x=2 –> y=2
• x=-2 –> y=-2
• x=3 –> y=3
• x=-3 –> y=-3

This is also true for the Sine Function.