isi titik di atas di tunggu

a. derajat=3/4 × 360= 270
radian= 270 × phi/180 = 3/2 phi

b. derajat= 7phi/6 × 180/phi = 210
putaran= 210/360= 7/12

c. putaran= 120/360= 1/3
radian= 120 × phi/180= 2/3 phi