What I Know
Find out how much you already know about the module. Write the letter that you
think is the best answer to each question on a sheet of paper. Answer all items.
After taking and checking your answers in this short test, take note of the items
that you were not able to answer correctly and look for the right answer as you go
through this module.
1. It is a trigonometric function the value of which is the quotient of the length of
the hypotenuse and the length of the side opposite the given angle.
a. cosecant
b. cotangent
c. secant
d. tangent
2. It is a trigonometric function the value of which is the quotient of the length of
the hypotenuse and the length of the side adjacent to the given angle.
a. cosecant
b. cotangent
c. secant
d. tangent
3. It is a trigonometric function the value of which is the quotient of the length of
the side adjacent to and the length of the side opposite the given angle.
a. cosecant
b. cotangent
c. secant
d. tangent
For items 4 - 9, refer to the figure at the right. Given is AXYZ, a right
triangle, with side lengths 8 cm, 15 cm, and 17 cm.
X
4. What is the value of csc X?
a.
15
17
17
b.
15
5. What is the value of sec X.
15
a.
17
17
b.
15
6. What is the value of cot X?
a.
15
17
15
b.
B
17
8
C.
d. 11/13
17
15
8
C.
15
85
17 Y
d. 1/73
8
A
8 Z
15
C.
15
85
d.
17
28