sinx = -√2/2,
x = (-1)ⁿ · (-π/4) + πn, n ∈ Z,
x = (-1)ⁿ⁺¹ · π/4 + πn, n ∈ Z.
ответ: (-1)ⁿ⁺¹ · π/4 + πn, n ∈ Z.
sinx = -√2/2,
x = (-1)ⁿ · (-π/4) + πn, n ∈ Z,
x = (-1)ⁿ⁺¹ · π/4 + πn, n ∈ Z.
ответ: (-1)ⁿ⁺¹ · π/4 + πn, n ∈ Z.