Problems from Stewart unless numbered "X", "XX", etc.

142W  HW#3 Due beginning of class, Tuesday, Feb 4.

[7.2] Trigonometric Integrals
      2.
      9. (Check your answer with the solution at the back of the book.)
      26.
      42.

[7.3] Integration by Trig Substitution
      4.
      6.
      31.