COS
The cosine of an angle in radians.
Syntax
COS(x)
| Argument | Meaning |
|---|---|
| x | An angle in radians. |
Result
A number.
Examples
In the example drawing:
| Expression | Gives |
|---|---|
COS(0) |
1 |
COS(DTOR(60)) |
0.5 |
Notes
The angle is in radians: for degrees, use DTOR: COS(DTOR(30)).