<em>f(π/4)=3sinπ/4=3*√2/2=</em><em>1.5√2</em>
||x|-6|=4
1) |x|-6=4 и 2)|x|-6=-4
1) x=10 и x=-10
2) x=2 и x=-2
Ответ: x1=10, x2=-10, x3=2, x4=-2