I. Evaluate:
Question 1.
Solution:

Question 2.
Solution:
Question 3.
Solution:
The integral does not exist since cot 0 is not defined.
Question 4.
Solution:

Question 5.
Solution:
Question 6.
Solution:

Question 7.
Solution:
Question 8.
Solution:
Question 9.
Solution:

Question 10.
Solution:
Question 11.
Solution:
Question 12.
Solution:
Question 13.
Solution:

Question 14.
Solution:
Question 15.
Solution:

II. Evaluate:
Question 1.
Solution:

Question 2.
Solution:
Question 3.
Solution:

Question 4.
Solution:
Question 5.
Solution:
Question 6.
Solution:
Question 7.
Solution:

Question 8.
Solution:
Question 9.
Solution:

Question 10.
Solution:
Question 11.
Solution:

Question 12.
Solution:


Question 13.
Solution:

Question 14.
Solution:


Question 15.
Solution:
III. Evaluate:
Question 1.
Solution:

Question 2.
Solution:

Question 3.
Solution:
Question 4.
Solution:

Question 5.
Solution:
Question 6.
Solution:
Question 7.
Solution:

Question 8.
Solution:


Question 9.
Solution:
Question 10.
Solution:

Question 11.
Solution:

Question 12.
Solution:
Question 13.
Solution:
Question 14.
Solution:


Question 15.
Solution:



