Odpowiedź :
(sin(α) + cos(α))²=3/2
sin²(α)+ 2*sin(α)cos(α) + cos²(α)=3/2
1+2*sin(α)cos(α) =3/2
2*sin(α)cos(α) =1/2
sin(α)cos(α)=0,25
(sin(α) + cos(α))²=3/2
sin²(α)+ 2*sin(α)cos(α) + cos²(α)=3/2
1+2*sin(α)cos(α) =3/2
2*sin(α)cos(α) =1/2
sin(α)cos(α)=0,25