Question

sa se rezolve ecuatiiile
sin $( x - \frac{ \pi }{4} ) - 1 = 0$

Answer 1

 Ecuatia se poate scrie: sin(x-π/4)=1⇔x-π/4=π/2+2kπ, adica x∈{3π/4+2kπ| k∈Z}

Answer 2

sin (x-π/4)=1

x-π/4=π/2+2kπ, k∈Z
x=π/4+π/2+2kπ
x=3π/4+2kπ, k∈Z