Respuesta :

we know that angles in a right triangle add up to 180 degrees

so 90 +52 + θ = 180

therefore θ = 180 - 142

θ= 38

sin θ = opposite / hypotaneus

sin θ = 35 /y

y = 35 /sin 38

y = 56.84

another method :

Cos 52 = adj / hyp = 35/y

y = 35 / cos(52)

= 56.84