Question

tg(пи:4-x:2)= -1 ( в знаке деления " : ",это дробь)

Answer 1

tg(π/4-x/2)=-1
ctg(x/2+π/4)=-1
x/2+π/4=3π/4+πn
x/2=-π/4+3π/4+πn
x/2=π/2+πn
x=π+2πn,n∈z