calcule o valor da expressão
Anexos:
Soluções para a tarefa
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y= sen0 + Sen π/2 -sen3π/2 / 2. senπ/6
y = sen0 + sen90 - sen270 / 2. Sen30
y = 0 + 1 -(-1) / 2.(1/2)
y = 1 +1 / 2/2
y = 2 / 1
y = 2
OBS:
π/2 = 180/2 = 90°
3.π/2 = 3.90 = 270°
π/6 = 180/6 = 30°
y = sen0 + sen90 - sen270 / 2. Sen30
y = 0 + 1 -(-1) / 2.(1/2)
y = 1 +1 / 2/2
y = 2 / 1
y = 2
OBS:
π/2 = 180/2 = 90°
3.π/2 = 3.90 = 270°
π/6 = 180/6 = 30°
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