Co-terminal and Reference Angle WS
NAME: _______________________
For each angle, find a) two co-terminal angles; one positive and one negative, b) all angles co-terminal
to the given angle, c) determine the quadrant in which its terminal side lies, and c) its reference angle.
1) 45°
2) 60°
3) 90°
Co-Terminal angles:
Co-Terminal angles:
Co-Terminal angles:
Quadrant:
Quadrant:
Quadrant:
Reference angle:
Reference angle:
Reference angle:
4) 135°
5) 240°
6) 450°
Co-Terminal angles:
Co-Terminal angles:
Co-Terminal angles:
Quadrant:
Quadrant:
Quadrant:
Reference angle:
Reference angle:
Reference angle:
Co-terminal and Reference Angle WS
NAME: _______________________
7)
𝜋
6
8)
10𝜋
3
17𝜋
6
9)
Co-Terminal angles:
Co-Terminal angles:
Co-Terminal angles:
Quadrant:
Quadrant:
Quadrant:
Reference angle:
Reference angle:
Reference angle:
𝜋
7𝜋
4
12)
4𝜋
3
10) 2
11)
Co-Terminal angles:
Co-Terminal angles:
Co-Terminal angles:
Quadrant:
Quadrant:
Quadrant:
Reference angle:
Reference angle:
Reference angle: