How do you determine the two coterminal angle (one positive one negative) for the angle $45^circ$ ?

Question

3631 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-02-08T13:10:27

$+45^@ and -135^@$

Since positive angles are measured counter clockwise and negative angles are measured counter-clockwise,
and
since a complete circle $=180^@$

enter image source here

How do you determine the two coterminal angle (one positive one negative) for the angle 45^circ45^circ?