Ubah ke dalam derajat&radian : a. ⅛ putaran b. 2/6 putaran c. 1/2 π+1/6π+1/12

a.) 1/8 putaran = 1/8 × 360° = 45°
45° = 45× π/180 = 1/4 π rad
b.)2/6 putaran = 2/6 × 360° = 120°
120° = 120× π/180 = 2/3 π rad
c.)1/2 π + 1/6π + 1/12π = 9/12 π = 3/4π
3/4 π rad = 3/4π × 180/π = 135°