Question

Calcule : y = sen 0° + sen π/2 - sen 3π/2
÷ 2 . sen π/6

Answer 1

π/2= 180/2= 90º

3π/2= 3.180/2= 270º

π/6=180/6= 30º

Sen(0)= 0
Sen(90)= 1
Sen(270)=-1
Sen(30)=1/2

0+1-(-1)÷2.1/2

1+1÷1

1+1

2

y= 2