Question

oi galera
peco ajuda nesse probleminha


$\int\limits {sen^{2} x} \, dx$

Answer 1

∫sen²xdx=
sen²x=(1-cos2x)/2
sen²x=1/2-(cos2x)/2

∫sen²xdx=
∫[1/2-(cos2x)/2]dx=
1/2∫dx-1/2∫(cos2x)dx=
x/2-1/2.1/2sen2x+c=
x/2-(sen2x)/4+c