Question

Determine os valores de:
A)sen 0       B)sen π/2
C)cos π      D)sen 3π/2
E)cos 3π/2   F) sen 2π
G) cos 2π

Answer 1

A)sen 0 = 0      
B)sen π/2 = 1
C)cos π   = -1  
D)sen 3π/2 = -1
E)cos 3π/2 = 0
F) sen 2π = 1
G) cos 2π = 0