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Compute the versed cosine.
The versed cosine is defined as
import vercos from 'https://cdn.jsdelivr.net/gh/stdlib-js/math-base-special-vercos@deno/mod.js';Computes the versed cosine of a number (in radians).
var v = vercos( 0.0 );
// returns 2.0
v = vercos( 3.141592653589793/2.0 );
// returns 1.0
v = vercos( -3.141592653589793/6.0 );
// returns ~1.8660import linspace from 'https://cdn.jsdelivr.net/gh/stdlib-js/array-base-linspace@deno/mod.js';
import TWO_PI from 'https://cdn.jsdelivr.net/gh/stdlib-js/constants-float64-two-pi@deno/mod.js';
import vercos from 'https://cdn.jsdelivr.net/gh/stdlib-js/math-base-special-vercos@deno/mod.js';
var x = linspace( 0.0, TWO_PI, 100 );
var i;
for ( i = 0; i < x.length; i++ ) {
console.log( vercos( x[ i ] ) );
}@stdlib/math-base/special/cos: compute the cosine of a number.@stdlib/math-base/special/versin: compute the versed sine.
This package is part of stdlib, a standard library with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
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