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## Arithmetic (cmath Library Functions)

> Function | Description
> `sqrt(x)` | square root of x
> `pow(x, y)` | xy
> `sin(x)` | sine of x (in radians)
> `cos(x)` | cosine of x (in radians)
> `tan(x)` | tangent of x (in radians)
> `exp(x)` | ex
> `log(x)` | (natural log) ln(x), x > 0
> `log10(x)` | (decimal log) lg(x), x > 0
> `ceil(x)` | smallest integer >= x
> `floor(x)` | largest integer <= x
> `fabs(x)` | absolute value |x|

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