Question

AJUDA!

Determine o valor de x, sabendo que x = sen 30° + cos 45°/ tg 30°?

Answer 1

Oi Dalexander

sen(30°) = 1/2,    tg(30°) = √3/3

cos(45°) = √2/2

x = 1/2 + (√2/2)/(√3/3) 

x = 1/2 + (√2/2)*(3/√3) = 1/2 + 3√2/2√3

x = 1/2 + 3√6/6 = 1/2 + √6/2 = (1 + √6)/2

.