Question

Question #2c359

Answer 1

`sin(-x)` is an odd function

Explanation:

A function is even iff `f(-x)=f(x)`

`sin45!=sin(-45)` so `sin(-x)` is not even

A function is odd iff `f(-x)=-f(x)`

`sin45=-sin(-45)` therefore `sin(-x)` is odd