Question

Find the reference angle of the following angles:405°, 750°, ‒ 210°, 495° ‒660°, 480°

Answer 1

Explanation:

405÷180=2×180+45,45°

750=180×4+30,30°

-210+180=-30,30°

495÷180=2×180+135,180-135=45°

-660°+360=-300°+360=60,60°

480-360=120,180-120=60,60°