Quiz 3
Math 112
Name:
Part A: [2] True/False. No partial credit is given.
T F The period of sec θis 2π
T F sec2θ−tan2θ= 1
T F The domain of csc θis all real numbers but {kπ }where kis an integer.
T F cot2θ−csc2θ= 1
Part B: Show all your work on the following. A right answer with no supporting work
will receive no credit.
1. [1] Draw a complete graph of csc θ.
2. [3] Evaluate:
cot π
4cos(−5π)
sec 5π
3
+sec22−tan22
csc π
6
3. [4] Simplify:
2√10(√5)−1csc θ
cot θsec2(−θ
1