Question

Find an angle \thetaθ coterminal to -72^{\circ}−72 ∘ , where 0^{\circ}\le\theta<360^{\circ}0 ∘ ≤θ<360 ∘ .

Answer 1

Cotermianl of -72 degree.

360-72=288(subtract 72 from 360 degree)

Hence, 288 is the cotermianl of -72 degree