Помогите пожалуйста срочно надо

Question

Помогите пожалуйста
срочно надо

---

Answer 1

=π/4-(-π/3)+π/4=π/4+π/3+π/4=(3π+4π+3π)/12=10π/12=5π/6

Answer 2

Arccos(√2/2) - arcsin(-√3/2) + arctg(1) = π/4+π/3+π/4 = (3π+4π+3π)/12 = 10π/12 = 5π/6