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