## Trigonometry (10th Edition)

5280 $^{\circ}$ is a big number compared to 360. The best way to find its coterminal angle is to divide initial angle by 360 and find how many times 360 should be subtracted. 5280° ÷360° =14 $\frac{2}{3}$ 5280° - (360° × 14) = 240°