Arccosine to Degrees
Calculate the inverse cosine and return the principal angle in degrees.
Table of Contents
0 Cosine Value =
90 deg
Representative value from the Arccosine to Degrees reference table.
Reference Values
Browse 15 reference values with individual detail pages for quick lookup.
Arccosine to Degrees
Calculate the inverse cosine and return the principal angle in degrees.
Calculated Result
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Reference Table
Use this complete table for quick lookup and internal linking to specific value pages.
| Cosine Value | acos(x) in Degrees |
|---|---|
| -1 Cosine Value | 180 deg |
| -0.95 Cosine Value | 161.805128 deg |
| -0.9 Cosine Value | 154.158067 deg |
| -0.8 Cosine Value | 143.130102 deg |
| -0.75 Cosine Value | 138.590378 deg |
| -0.5 Cosine Value | 120 deg |
| -0.25 Cosine Value | 104.477512 deg |
| 0 Cosine Value | 90 deg |
| 0.25 Cosine Value | 75.522488 deg |
| 0.5 Cosine Value | 60 deg |
| 0.75 Cosine Value | 41.409622 deg |
| 0.8 Cosine Value | 36.869898 deg |
| 0.9 Cosine Value | 25.841933 deg |
| 0.95 Cosine Value | 18.194872 deg |
| 1 Cosine Value | 0 deg |
Frequently Asked Questions
Common questions about Arccosine to Degrees, formulas, and typical use cases.
What does the Arccosine to Degrees calculator do?
It helps with finding angles from known cosine values in geometry and vector math.
What formula does the Arccosine to Degrees calculator use?
Angle (degrees) = acos(x) × 180 / π, principal range 0° to 180°.
What inputs are valid?
Input must be between -1 and 1 inclusive for real-number results.
When would I use this?
finding angles from known cosine values in geometry and vector math
Methodology and Review
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