Co-Terminal Angles Reference Angles Unit Circle

Which is a coterminal angle to the angle shown?

• 167

• 717

• -13

• 527

Which of the following angles are co-terminal to -75^o?

• -365^o, 75^o

• 285^o, -435^o

• 105^o, -255^o

• 425^o, -335^o

Which is a coterminal angle to the angle shown?

• -157

• -158

• -159

• -160

Which of the following angles are co-terminal to 450^o?

• 450^o, -450^o

• 90^o, -270^o

• 270^o, -90^o

• 420^o, -330^o

What is the reference angle?

• -55

• 55

• 45

• -225

Which of the following angles are co-terminal to -35^o?

• 325^o, -395^o

• 395^o, -325^o

• 145^o, -215^o

• -125^o, 325^o

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

What is the reference angle?

• 112

• 68

• 158

• 248