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

 


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Proportionate Equations and Corollary Equations - There are changes of conditions that enable one to go from the condition to be tackled to the alleged identical conditions and outcome conditions, by the arrangements of which it is conceivable to decide the arrangement of the first condition. In this article, we will break down in detail which conditions are called proportionate and which conditions are outcomes, give the fitting definitions, give illustrative models and disclose how to discover the foundations of the condition from the known underlying foundations of the comparable condition and condition result.

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