Respuesta :

Cos 45 = √6 / y

√2 / 2 = √6 / y

Inverse both sides

2 / √2 = y / √6

Multiply both sides by 6

6 × 2 / √2 = √6 × y / √6

√2 × √3 × 2 / √2 × 1 = y

y = 2√3