Resolva as equações no intervalo 0°≤ x ≤ 360°.a) 2 cos x – 1 =...

0 ≤ x < 2π

a) senx = 1 => x = π/2

b) cosx = 0 => x = π/2 ou x = 3π/2

c) tgx = 1 => x = π/4 ou x = π + π/4 = 5π/4

d) senx = -1/2 => x = π + π/6 = 7π/6 ou x = 2π - π/6 = 11π/6

e) tgx = 0 => x = 0 ou x = π​