rhai_sci::trig_functions

Function cosd

Source 
pub fn cosd(degrees: FLOAT) -> FLOAT
Expand description

Returns the cosine of an argument given in degrees

assert_eq(cosd(0.0), 1.0);
assert_approx_eq(cosd(90.0), 0.0);
assert_eq(cosd(180.0), -1.0);
assert_approx_eq(cosd(270.0), 0.0);