Download Coterminal Angles

NAME: ______________________
Trigonometry:___________________________________________________
____________________________________________________
Introduction to Angles of Rotation
When an angle is drawn in standard position, the _____________side is ____________ on the
_________________ x-axis and the vertex is the origin. The ________________ side can be anywhere
and ______________ the angle.
A ________________ angle is described by ______________ at the initial side and rotating
_______________________ to the terminal side (angle ____).
A ______________ angle is described by rotating _______________ (angle ___).
Label:
Depending upon the degree measure of the angle, the terminal side can land in one of the _________
quadrants. Angles can be ____________ than 360º by simply ________________ around the quadrants
again.
Try This:
Name the quadrant of the terminal side.
1) 140o
7) 80o
2) 315o
8) -475o
o
3) -168
9) -25o
o
4) 475
10) 1030o
5) -340o
11) -1030o
o
6) 670
12) -225o
Coterminal Angles
Definition:
How do you find the coterminal angles to a given angle?
Example: Name one positive and one negative coterminal angle of -425o.
Try This:
Find one positive and one negative coterminal angle for each angle below.
1) 140o
7) 80o
2) 315o
8) -475o
3) -168o
9) -25o
4) 475o
10) 1030o
5) -340o
11) -1030o
6) 670o
12) -225o