Question

3 arcsin(- √3/2 )+ 6 arccos √2/2 помогите решить

Answer 1

Решение
3 arcsin(- √3/2 )+ 6 arccos √2/2 = 3*(4π/3) + 6 * (π/4) = 4π + 3π/2 =
 = 11π/2