sen(30) = 1/2
2cos(30)= √3
cos(210) = -√3/2
soma
s = 1/2 + √3 + √3/2
s = 1/2 + 3√3/2
pronto
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sen(30) = 1/2
2cos(30)= √3
cos(210) = -√3/2
soma
s = 1/2 + √3 + √3/2
s = 1/2 + 3√3/2
pronto