Question

calcular 3π/2.cos π.preciso do cálculo

Answer 1

3pi/2= 3.180/2= 270 graus
Cos pi= cos 180= -1
Ou seja,
270/-2=-135 graus
Ou, 350-135= 225 graus
Para converter a radianos
Pi--------180
X---------225
X=225.pi/180
X=5pi/4