Question

Dê o valor de: a) sen 3π/2 b) sen π c) sen 120° d) sen 150°e) sen 225°f) sen 300° g) sen 2π h) sen 330°

Answer 1

a) sen 3π/2 = -1

b) sen π = 0

c) sen 120° = (raiz3/2)

d) sen 150° = 1/2

e) sen 225° = - (raiz 2)   /2

f) sen 300°  = - (raiz3/2)

g) sen 2π  = 0

h) sen 330° = -1/2