If TaNx > Tan π / 5 and X is the third quadrant angle, then the value range of X is

If TaNx > Tan π / 5 and X is the third quadrant angle, then the value range of X is

tanx>tanπ/5=tan6π/5=tan(2kπ+6π/5)
6 π / 5 in the third quadrant
The third quadrant is 2K π + π