y
p
-1 0 1 x
XII.2. arcos -1,1] [0,p], arcos (-x) = p - arcos x
y
p
p
2
-1 0 1 x
XII.3. arctg:R, arctg (-x) = -arctg x
p
2
0 x
-p
2
XII.4. arctg:R (0,p), arctg (-x) = p - arctg x
y
p
p
2
0 x
|