Question

√2x sen 45 - 5sen53 = 4cot45

Answer 1

Sen 45 = 1 / √2

Sen 53 = 4 / 5

Cot 45 = 1

Reemplazando

√2x(1/√2) - 5(4/5) = 4(1)

Se eliminan las √2 y se eliminan los 5

x - 4 = 4

x = 4 + 4

x = 8