Question

Encontre, em radianos, a primeira determinação positiva de cada arco abaixo.

(A) 1150°

(B) 440°

(C) 500°

(D) - 770°

(E) 1440°

(F) - 450°

(G) – 240°

Answer 1

Resposta:

a) 115π/18

b) 22π/9

c) 25π/9

d) - 70π/18

e) 8π

f) - 5π/2

g) - 4π/3

Explicação passo-a-passo:

a)

1150°

↓

1150° × π/180°

↓

115π/18

b)

440°

↓

440° × π/180°

↓

22π/9

c)

500°

↓

500° × π/180°

↓

25π/9

d)

-770°

↓

-770° × π/180°

↓

- 77π/18

e)

1440°

↓

1440° × π/180°

↓

8π

f)

-450°

↓

-450° × π/180°

↓

- 5π/2

g)

-240°

↓

-240° × π/180°

↓

- 4π/3