Use os valores notáveis e calcule o sen (88π)/6:
a) 1/2
b) √2/2
c) √3/2
d) 0
e) 1
sin (88pi) /6
88pi/6 = 44pi/3 = 14 pi + (2/3)pi = 7(2pi) + (2/3) pi = (2/3)pi = 120°
sin (120°) = sqrt (3) / 2
