Twenty-six (26) exercises from Stewart whose solutions are due:

3.4   Dervatives of Trigonometric Functions, page 154:

1, 3, 5, 7, 9, 11, 17, 18, 19, 49

3.5   The Chain Rule, page 161:

1, 4, 5, 12, 13, 14, 15, 17, 23, 29, 37, 41, 53, 83, 84, 86