Integration

• A function is even if $f(x)=f(-x)$
  • Flips across y
• A function is odd if $f(x)=-f(-x)$
  • Flips across x and y
• Definite integral from $-a$ to $a$ for even functions is double the definite integral from $0$ to $a$.
• Definite integral from $-a$ to $a$ for odd functions is $0$.