4.97 tan - Tangent

Format : tan( $r$ )

Compute tangent of radian $r$ .

Example

Example 1: Basic Example

$ more dat1.csv
id,val
1,0.785398
2,1.047197
3,
4,3.141593
$ mcal c='tan(${val})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=tan(${val}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,val,rsl
1,0.785398,0.9999996732
2,1.047197,1.732048603
3,,
4,3.141593,3.464102066e-07