" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2cosx = -1
listo
2cos²∅ + cos∅ = 0 Factorizas sacas factor común cos∅
cos∅(2cos∅ + 1) = 0 Tiene 2 soluciones
cos∅ = 0
∅ = cos⁻¹0
∅ = 90°
Solución
(90° + 360°k)
o
2cos∅ + 1 = 0
2cos∅ = - 1
cos∅ = - 1/2
∅ = cos⁻¹ - 1/2
∅ = 120°
Solución.
(120° + 360k)