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Решение (sin4x - sin6x)/sin6x = 0 sin4x - sin6x = 0 sin6x ≠ 0, 6x ≠ πk, k∈Z, x ≠ πk/6, k ∈Z 2si(4x- 6x)/2*cos(4x + 6x)/2 = 0 - sinx * cos5x = 0 1) sinx = 0 x₁ = πn, n∈Z 2) cos5x = 0 5x = π/2 + πm, m∈Z x₂ = π/10 + πm/5, m ∈Z
sin4x - sin6x = 0 sin6x ≠ 0, 6x ≠ πk, k∈Z, x ≠ πk/6, k ∈Z 2si(4x- 6x)/2*cos(4x + 6x)/2 = 0 - sinx * cos5x = 0 1) sinx = 0 x₁ = πn, n∈Z 2) cos5x = 0 5x = π/2 + πm, m∈Z x₂ = π/10 + πm/5, m∈Z