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**Odd & Even Functions (was thread "Fourier Series")**

## Homework Statement

determine if the functions below are odd even or neither:

a) f(x)=x^2+2

b) f(x)=(x^2+2)tan(x^2)

c) f(x) = (x^2+2)sin(x)tan(x^2)

## Homework Equations

even - f(x) = f(-x)

odd - f(-x)=-f(x)

## The Attempt at a Solution

I've managed the first algebraically:

x=1

f(1)=1+2=3

x=-1

f(-1)=1+2=3

so f is even

I reckon I need to do the same for the next function however do not know how to use tan in that equation.

Any help is appreciated.