RADIANS Google Sheet Formula
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RADIANS Formula Syntax
Example Use Case
Converting degrees to radians for trigonometric calculations
Understanding the RADIANS Formula
The RADIANS function in Excel converts an angle from degrees to radians, a must for trigonometric functions like SIN or COS that require radian inputs. It’s the reverse of DEGREES, ensuring compatibility with Excel’s math engine.
RADIANS(180) returns 3.14159 (π), since 180° is π radians. It’s a single-argument function, multiplying degrees by π/180, making it a quick bridge for geometric or engineering tasks needing radian-based math.
Why Use RADIANS?
RADIANS preps angles for trig functions—think calculating waveforms or circular motion. Its precision ensures seamless integration with Excel’s radian-based tools, saving you from manual conversions.
Example with Sample Data
| Degrees | Formula | Result (radians) |
|---|---|---|
| 180 | =RADIANS(180) | 3.14159 |
| 90 | =RADIANS(90) | 1.57080 |
| 45 | =RADIANS(45) | 0.78540 |
RADIANS transforms: 180° to π, 90° to π/2. It’s a trig-ready converter.
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