Cosine of Radians: -1.308997 rad
Specific conversion page with reference context, calculator, and nearby values.
Table of Contents
-1.308997 rad converts to
0.258819 Cosine Value
Use this as a quick reference for Cosine of Radians.
Value Details
Input: -1.308997 rad
Output: 0.258819 Cosine Value
Cosine of Radians
Calculate cos(x) from an angle entered in radians.
Calculated Result
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Nearby Reference Values
| Angle (Radians) | cos(x) |
|---|---|
| -3.141593 rad | -1 Cosine Value |
| -2.879793 rad | -0.965926 Cosine Value |
| -2.617994 rad | -0.866025 Cosine Value |
| -2.356194 rad | -0.707106 Cosine Value |
| -2.094395 rad | -0.5 Cosine Value |
| -1.832596 rad | -0.258819 Cosine Value |
| -1.570796 rad | 0 Cosine Value |
| -1.308997 rad | 0.258819 Cosine Value |
| -1.047198 rad | 0.5 Cosine Value |
| -0.785398 rad | 0.707107 Cosine Value |
| -0.523599 rad | 0.866025 Cosine Value |
| -0.261799 rad | 0.965926 Cosine Value |
| 0 rad | 1 Cosine Value |
| 0.261799 rad | 0.965926 Cosine Value |
| 0.523599 rad | 0.866025 Cosine Value |
| 0.785398 rad | 0.707107 Cosine Value |
| 1.047198 rad | 0.5 Cosine Value |
| 1.308997 rad | 0.258819 Cosine Value |
Frequently Asked Questions
Common questions about Cosine of Radians, formulas, and expected usage.
What does the Cosine of Radians calculator do?
It helps with evaluating cosine values in radian-based math and signal calculations.
What formula does the Cosine of Radians calculator use?
cos(x) returns the cosine of an angle in radians.
What inputs are valid?
Any finite radian angle is valid.
When would I use this?
evaluating cosine values in radian-based math and signal calculations
Methodology and Review
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Use this page as a fast lookup reference, then confirm final project values using applicable standards and manufacturer documentation.