Differential Calculus

• The derivative of $sin(u)$ is?


  cos(u)
• The derivative of $cos(u)$ is?


  -sin(u)
• The derivative of $tan(u)$ is?


  sec^2(u)
• the derivative of $sec(u)$ is?


  sec(u)tan(u)
• The derivative of $csc(u)$ is?


  -csc(u)cot(u)
• The derivative of $cot(u)$ is?


  -csc^2(u)