Тригонометричні рівняння.

розв'язків немає

±^π/₁₂ - ^π/₁₂ + πn, n∊Z

±^π/₁₂ - ^π/₁₂ + 2πn, n∊Z

 πn, n∊Z

x = πn, n∊Z

x = πn, x = ^π ∕ ₂ + 2πn, n∊Z

 x = πn, x = -^π ∕ ₂ + πn, n∊Z

x = πn, x = -^π ∕ ₂ + 2πn, n∊Z

sin x = ³/₄

 cos x = -³/₄

 cos x = ⁴/₃

  tg x = 7

sin x = √5

sin x = ^π/₃

x = πn, n∊Z 

x = πn і x = ±^π ∕ ₂ + πn, n∊Z

x = ^π ∕ ₂ + 2πn, n∊Z

x = πn і x = ± ^2π ∕ ₃ + 2πn, n∊Z

x = πn і x = ± ^2π ∕ ₃ + πn, n∊Z

^π/₃ ± ^2π/₃ +2πk k∊Z

^π/₃ ± ^π/₂ +2πk, k∊Z

^π/₄ ± ^2π/₃ +2πk, k∊Z

^π/₄ ± ^2π/₃ +πk, k∊Z