1 Arccos(x) Calculator | Inverse cosine calculator
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Arccos Calculator

arccos
Angle in degrees:
°
Angle in radians:
rad
Calculation:

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Arccos definition

arccos(x) = cos-1(x)

 

For example, If the cosine of 60° is 0.5:

cos(60°) = 0.5

Then the arccos of 0.5 is 60°:

arccos(0.5) = cos-1(0.5) = 60°

Arccos table

x arccos(x)
degrees radians
-1 180° π
-0.8660254 150° 5π/6
-0.7071068 135° 3π/4
-0.5 120° 2π/3
0 90° π/2
0.5 60° π/3
0.7071068 45° π/4
0.8660254 30° π/6
1 0° 0

 

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MATH CALCULATORS
What is the consequence of changing over the condition? Completing every one of the changes recorded above can give either a condition that has indistinguishable roots from the first condition, or a condition, among the underlying foundations of which contains every one of the foundations of the first condition, however which can likewise have different roots, or a condition that does exclude every one of the roots underlying foundations of the changed condition. In the accompanying passages, we will dissect which of these changes under which conditions lead to which conditions. It is critical to know for the fruitful arrangement of conditions.

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