Math 106-01: Calculus II: Reading Homework 7.4

1. Tables of Integrals : what is significant about the number of functions that have elementary antiderivatives? what is key about using tables of integrals?
   
   1. Reduction Formulas : what is a reduction formula for integration?
      
   2. Powers of sine and cosine : how are the formulas for integer powers of sine and cosine distinguished?
      
   3. Polynomial Formulas : in what ways may polynomial terms in x be rewritten to use the formulas?
      
   4. Partial Fractions : what is the method of partial fractions? to what types of integrands is it applicable?