The basic solutions in the domain begin mathsize 20px style left square bracket 0 comma 2 straight pi right parenthesis end style of the equation begin mathsize 20px style 1 minus 3 tan squared open parentheses x close parentheses equals 0 end style are:
Las soluciones básicas en el dominio [0,2π) de la ecuación 1 - 3tan^2(x) = 0^son:
a. x = π/3, 2π/3, 4π/3, 5π/3
b. x = π/6, 7π/6
c. x = π/3, 2π/3
d. x = π/6, 5π/6, 7π/6, 11π/6