Question

ExpressE em radianos 30 ,15,120,210,

Answer 1

30°

Π = 180°
x = 30°
30Π = 180x
x = 30Π/180
x = Π/6

15°

Π = 180°
x = 15°
15Π = 180x
x = 15Π/180
x = 5Π/60

120°

Π = 180°
x = 120°
120Π = 180x
x = 120Π/180
x = 2Π/3

210°

Π = 180°
x = 210°
210Π = 180x
x = 210Π/180
x = 7Π/6