Cofunction Identities: Prove the cofunction identity using the Addition and Subtraction Formulas.

Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function, trigonometric function, exponential function, or logarithmic function.

Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function, trigonometric function, exponential function, or logarithmic function.

(a)     

(b)     

(c)     

(d)     

(e)     

(f)