Question

решить уравнение  cos (x+pi/3) = -1

 

Answer 1

x+П/3=П+2Пk

x=2/3П+2Пk

Answer 2

$cos(x+frac{pi}{3})=-1$

$x+frac{pi}{3}=<var>pi</var>+2kpi$

$x=frac{2pi}{3}+2kpi$