y=cos x y=arccos 0<x<兀 1≤x<1 08 15 25 -0.5 0.8 plot(cos(x),x=0.Pi,y -0.5 1..l, scaling=constrained, color=bl ue, thickness=3) lot([cos(x),x,x=0. Pi], scaling-sconr, 2004
October, 2004 y x = cos 0 x plot([cos(x),x,x=0..Pi],scaling=con strained,color=blue,thickness=4); plot(cos(x),x=0..Pi,y=- 1..1,scaling=constrained,color=bl ue,thickness=3); y x = arccos − 1 1 x
y=arccos y=cosx A: -plot([x, COs(x),x=0. Pil, scaling=constrained, color=red, thickness=4): October 2004
October, 2004 y x = cos with(plots): A:=plot([x,cos(x),x=0..Pi],scaling=constrained,color=red,thickness=4): B:=plot([cos(x),x,x=0..Pi],scaling=constrained,color=blue,thickness=4): y x = arccos
y=tan x y=arctan <x< -oo<x<+oo 2 2 1.5-105 0511.5 plot([tan(x),x,X=- 1.4..1.41, scaling=constrained, color=blue, thic kness=3)i 2004
October, 2004 plot([tan(x),x,x=- 1.4..1.4],scaling=constrained,color=blue,thic kness=3); y x = tan y x = arctan 2 2 x − − + x