函数y=tan(πx/3+π/4)①定义域为πx/3+π/4≠kπ/2即x≠3k/2-3/4②周期T=π/(π/3)=3③单调区间：kπ-π/2＜πx/3+π/4＜kπ+π/2即3k-9/4＜x＜3k+3/4得单调增区间为( 3k-9/4,3k+3/4)④对称中心：πx/3+π/4=kπ/2...