Question

Помогите
tg(x)=π/4
Не могу решить(

Answer 1

π=3.14
tg(x)=3.14/4=0.785

Answer 2

Ну попробую

Answer 3

3arcsin(√2/2)+2arccos1/2-4arctg1

Answer 4

tg(x) = π/4
x = arctg(π/4) + πn, n∈Z
Ответ: arctg(π/4) + πn, n∈Z