Need x asymptotes in this format

Sketch two periods of the graph of the function p (at) : tan (a: E) Identify the stretching factor, period, and asymptotes. The field below accepts a list of numbers or formulas separated by semicolons (e.g. 2; 4; 6 or +1; x - 1). The order of the list does not matter. Asymptotes: * = -Pi/4;Pi*n