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TRIGONOMETRY
Review 1-1 to 1-4
NAME___________________
HOUR_______
1. A _______________ is a relation such that for every domain ( x
value) there is only one range (y value).
2. An/a ______________ is formed by the rotation of a ray about the
origin from an initial position to a terminal position.
3. An angle with its vertex at the origin and its initial side on the positive
x-axis is said to be in _____________________________________.
4. Give the definition of each of the following using x, y, and r:
a). sin 0 = ________
d) sec 0 = ________
b) cos 0 = ________
e) csc 0 = ________
c) tan 0 = ________
f) cot 0 = ________
5. sin 0 is positive in quadrants _______ and ________.
6. cos 0 is positive in quadrants _______ and ________.
7. For each rotation, find the measure of the angle in degrees:
a.) 3/5 rotation clockwise
b). 5/12 rotation
counterclockwise
8. For the relation {(2, 3), (5, -2), (2, 3), (1, 2)}, answer the questions
below.
a). Is the relation a function? _______
b) What is the range? _____________
9.
Use the graph to answer the following questions.
a.) Is this a function? ________
b.) What is the domain? __________
10. Find the distance between A(2, 3) and B(4, -5). Write the answer in
simplest radical form.
11. The terminal side of an angle in standard position passes through the
given point. Find the value of the function stated for that angle.
a) P(-5, 2)
sin 0 = ________
sec 0 = ________
cot 0 = ________
b) P(6, 1)
cos 0 = ________
tan 0 = ________
csc 0 = ________
12. 0 is the measure of an angle in standard position that lies in
Quadrant IV with cot 0 = - ½ . Find the values of the requested trig
functions.
a) sin 0 = _______
b) cos 0 = ________
c) tan 0 = ________