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* @license Apache-2.0
*
* Copyright (c) 2024 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var sind = require( '@stdlib/math/base/special/sind' );
var cosd = require( '@stdlib/math/base/special/cosd' );
// MAIN //
/**
* Computes the tangent of an angle measured in degrees.
*
* @param {number} x - input value (in degrees)
* @returns {number} tangent
*
* @example
* var v = tand( 0.0 );
* // returns 0.0
*
* @example
* var v = tand( 90.0 );
* // returns Infinity
*
* @example
* var v = tand( 60.0 );
* // returns ~1.732
*
* @example
* var v = tand( NaN );
* // returns NaN
*/
function tand( x ) {
return sind( x ) / cosd( x );
}
// EXPORTS //
module.exports = tand;
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