What is the period and domain of the function y=tan(x)? A T and{xER|x m 2 (2k+ 1) , k is an integer B n and {xER | x *kTi, k is an integer} 2Tn and {x€R | x= KT, k is an integer} (2k+ 1) 2m and{x€R| x= -, k is an integer 2 D ER|x=

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