Question

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Answer 1

Respuesta:

ejercicio 1

$\sin(53) = \frac{x}{x + 1}$

$\frac{4}{5} = \frac{x}{x + 1}$

$4x + 4 = 5x$

$5x - 4x = 4$

$x = 4$

ejercicio 2

$\cos(37) = \frac{5x - 2}{6x - 1}$

$\frac{3}{5} = \frac{5 \times - 2}{6x - 1}$

$18x - 3 = 25x - 10$

$- 3 + 10 = 25x - 18x$

$7x = 7$

$x = 1$