Question

Помогите срочно,пжл!
2* sinX*cosX>или равно √2/2

Answer 1

2* sinX*cosX = sin(2X)
2X = Arc sin (√2/2) 
2X₁ = (π/4)+2πk
X₁ = (π/8)+πk.

2X₂ = (3π/4)+2πk
X₂ = (3π/8)+πk.