MatemáticasBásico1 respuestas

Sen100° - xsen40° = sen20°Calcular x?

Sen100° - xsen40° = sen20° Calcular x.

En resumen

X : cos(pi / 18) - x sin(40°) = sin(20°) - (x sin(40°)) = sin(20°) - cos(pi / 18) x = (cos(pi / 18)) / (sin(40°)) - (sin(20°)) / (sin(40°)) x = (cos(pi / 18) - sin(20°)) / (sin(40°)) x = 1.

Mejor respuesta

Liyiyuan
8

X :

cos(pi / 18) - x sin(40°) = sin(20°) - (x sin(40°)) = sin(20°) - cos(pi / 18) x = (cos(pi / 18)) / (sin(40°)) - (sin(20°)) / (sin(40°))

x = (cos(pi / 18) - sin(20°)) / (sin(40°))

x = 1.