Question

Hallar “x” en : Cos (60o - x) = Sen (70o - 3x)

Answer 1

Respuesta:

Cos (60° - x) Csc (70° - 3x) = 1

complemento

COSA CscB = 1 + A+B=90°

60° -x + 70° -3x = 90°

130°-4x = 90°

-4x = -40°