Graphing a reciprocal function via Table

Sin function

x or y0
y=sinx01/211/20-1/2-1-1/20
y=cscxundef212undef-2-1-2undef

notice how the table is intervals with unit circle, but there is no xpi/4 ratios

Cos function

x or y0
y=cosx11/20-1/2-1-1/201/21
y=secx12undef-2-1-2undef21

Tan function

x or y0
y = tanx01undef-101undef-10
y = cotxundef10-1undef10-1undef