Question

Converta em radianos as medidas dadas em graus:
a) 30°
b)150°
c)315°
d)405°

Answer 1

a) π -- 180° b) π -- 180°
x -- 30° x -- 150°
180x = 30π 180x =150π
x = 1π/6 rad x =5π/6rad

c) π -- 180° d) π -- 180°
x -- 315° x -- 405°
180x = 315π 180x=405π
x = 7π/4 rad x=9π/4rad