Finding the domain of definition, period and monotone interval of function y = 2tan (2x + π / 6)

2x+π/6≠kπ+π/2
x≠kπ/2+π/6
Domain of definition: {x | x ≠ K π / 2 + π / 6 (K ∈ z)}
T=π/2
kπ-π/2

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