Keywords: Cotan proportional.svg Plot of cotan x with proportional scales and the gnuplot source Own Olaf m <pre> set terminal svg enhanced font Arial 10 size 658 620 set output 'c \temp\cotan svg' set border 0 set style arrow 2 head filled lw 2 size 0 15 30 set style arrow 4 nohead set samples 1000 unset key set xtics axis ÔÇô2¤Ç -2 pi ÔÇô3/2 ¤Ç -1 5 pi ÔÇô¤Ç -pi ÔÇô1/2 ¤Ç -pi/2 1/2 ¤Ç pi/2 ¤Ç pi 3/2 ¤Ç 1 5 pi 2¤Ç 2 pi scale 0 5 set x2tics axis ÔÇô360 o -2 pi ÔÇô270 o -1 5 pi ÔÇô180 o -pi ÔÇô90 o -pi/2 90 o pi/2 180 o pi 270 o 1 5 pi 360 o 2 pi scale 0 5 offset 0 2 7 set style line 3 lw 1 lt 5 lc rgb black set style line 1 lc rgb blue lw 2 set ytics axis -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 scale 0 5 set arrow arrowstyle 2 from -2 pi-0 3 0 to 2 pi+0 3 0 set arrow arrowstyle 2 from 0 -6 2 to 0 6 2 set arrow arrowstyle 4 linestyle 0 from -2 pi -6 to -2 pi 6 set arrow arrowstyle 4 linestyle 0 from -pi -6 to -pi 6 set arrow arrowstyle 4 linestyle 0 from pi -6 to pi 6 set arrow arrowstyle 4 linestyle 0 from 2 pi -6 to 2 pi 6 plot -2 pi-0 3 2 pi+0 3 -6 6 1/tan x linestyle 1 set output unset arrow unset label </pre> SVG trigonometry Cotangent function |