Question

sin7xcos5x-cos7xsin5x=в корне3/2 решите))))

Answer 1

Решение
Sin7xcos5x-cos7xsin5x=√3/2
sin(7x - 5x) = √3/2
sin2x = √3/2
2x = π/3 + πk, k ∈ Z
x = π/6 + πk/2, k ∈ Z