Question

Encontre a menor determinaçao positiva dos arcos abaixos:
a) 1260 graus
b)31pi/3 rad
c) -100 graus
d) -pi/2rad

Answer 1

a)

1260 | 360

-1080 3

180

α=180°+k.360°, k∈Z

b) 31π/3 = 30π/3+π/3

α=π/3+2kπ, k∈Z

c) -100°= 260°-360°

α= 260°-k.360°, k∈Z

d) -π/2 =π/2 - π

α=π/2-kπ, k∈Z