Question

2COS(X/4-ПИ/6)=КОРЕНЬ ИЗ 3

Answer 1

cos(x/4-п/6)=√3/2
х/4-п/6=+-п/6+2пn,n€z
x/4=-п/6+п/6+2пn,n€z
x/4=п/6+п/6+2пn,n€z
x=8пn,n€z
x=4п/3+8пn,n€z