math cos for math

Returns the cosine of the number.

Signature

> math cos {flags}

Flags

  • --degrees, -d: Use degrees instead of radians

Input/output types:

inputoutput
numberfloat
list<number>list<float>

Examples

Apply the cosine to π

> 3.141592 | math cos | math round --precision 4
-1

Apply the cosine to a list of angles in degrees

> [0 90 180 270 360] | math cos --degrees
╭───┬───────╮
│ 0 │  1.00 │
│ 1 │  0.00 │
│ 2 │ -1.00 │
│ 3 │  0.00 │
│ 4 │  1.00 │
╰───┴───────╯