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Arccosine Arc cosine Function Calculator tool
arccos
°
rad
y=arccos(x) Graph
Y
(Degrees)
Y
(Radian)
X
180 ̊
π
-1
150 ̊
5π/6
-0.866025
135 ̊
3π/4
-0.707107
120 ̊
2π/3
-0.5
90 ̊
π/2
0
60 ̊
π/3
0.5
45 ̊
π/4
0.707107
30 ̊
π/6
0.866025
0 ̊
0
1
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