tand | R Documentation |
Calculates the value of tangent for each element of x
in degrees in a
manner compatible with GNU Octave/MATLAB. Zero is returned for any "elements
where x
/ 180 is an integer and Inf
for elements where
(x
- 90) / 180 is an integer." Reference: Eaton.
tand(x)
x |
A numeric vector containing values in degrees |
The tangent of each element of x
in degrees. Zero for any
"elements where x
/ 180 is an integer and Inf
for elements where
(x
- 90) / 180 is an integer."
Note: If you have a radian (rad) angle value, use tan
instead.
David Bateman (GNU Octave tand), Irucka Embry
John W. Eaton, David Bateman, Søren Hauberg, and Rik Wehbring (November 2022). GNU Octave: A high-level interactive language for numerical computations: Edition 7 for Octave version 7.3.0. https://docs.octave.org/octave.pdf. Page 553.
library(iemisc)
# Examples from GNU Octave tand
tand(seq(10, 80, by = 10))
tand(c(0, 180, 360))
tand(c(90, 270))
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