Co-Terminal Angles Unit Circle

What are co-terminal angles?

• angles that share the same terminal side

• angles that are supplementary

• angles that are complimentary

• angles that are opposite each other

Name the angle that is coterminal to the angle indicated by the graph in both radians and degrees.

Find a coterminal angle to -90°.

• -450°

• 90°

• 180°

• -180°

Find an angle coterminal with an angle which measures 11π ∕ 3.

• 5 π / 3

• 4π ∕ 3

• π ∕ 3

• 8π ∕ 3

Name the angle that is coterminal to the angle indicated by the graph in both radians and degrees.

Which is a coterminal angle with 45^o?

• -45^o

• 135^o

• 315^o

• -315^o

What are the negative and positive coterminal angles of -165°?

• 435°, -545°

• 185°, -305°

• 195°, -525°

• 125°, -185°

Find a coterminal angle to 45°.

• 360°

• 405°

• 315°

• 295°

Find a coterminal angle to -180 degrees.

• 180

• 90

• 270

• 360

Which of the following angles are co-terminal to 330^o?

• -330^o, 330^o

• 510^o, -210^o

• 690^o, -30^o

• 420^o, -330^o