DETERMINE WHETHER THE NAGLES ARE COTERMINAL WORKSHEET

State if the two given angles are coterminal or not.

Problem 1 :

110^º, -250^º

Problem 2 :

125^º, -415^º

Problem 3 :

140^º, -220^º

Problem 4 :

160º, -380º

Problem 5 :

Problem 6 :

Problem 7 :

Problem 8 :

Problem 9 :

185º, -545º

Problem 10 :

Answer Key

1) 110^º and -250^º are coterminal angles.

2) 25^º and -415^º are not coterminal angles.

3) 140^º and -220^º are coterminal angles.

4) 160º and -380º are not coterminal angles.

5) 19π/18, -53π/18 are coterminal angles.

6) 35π/36, 107π/36 are coterminal angles.

7) 41π/36, 61π/36 are not coterminal angles.

8) 5π/4, -3π/4 are coterminal angles.

9) 185º and -545º are not coterminal angles.

10) 17π/36, 161π/36 are coterminal angles.