diff --git a/lib/node_modules/@stdlib/math/base/special/sind/lib/sind.js b/lib/node_modules/@stdlib/math/base/special/sind/lib/sind.js
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@@ -0,0 +1,84 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2018 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 isnan = require('@stdlib/math/base/assert/is-nan');
+var isinfinite = require('@stdlib/math/base/assert/is-infinite');
+var abs = require('@stdlib/math/base/special/abs');
+var kernelSin = require('@stdlib/math/base/special/kernel-sin');
+var kernelCos = require('@stdlib/math/base/special/kernel-cos');
+var PI = require('@stdlib/constants/float64/pi');
+var deg2rad = require('@stdlib/math/base/special/deg2rad');
+
+/**
+* Compute the sine of a number.
+*
+* @module @stdlib/math/base/special/sind
+*
+* @example
+* var sind = require( '@stdlib/math/base/special/sind' );
+*
+* var v = sind( 0.0 );
+* // returns ~0.0
+*
+* v = sind( 90 );
+* // returns ~1.0
+*
+* v = sind( -30 );
+* // returns ~-0.5
+*
+* v = sind( NaN );
+* // returns NaN
+*/
+
+
+function sind(x) {
+	if (isinfinite(x)) {
+		return NaN;
+	}
+	if (isnan(x)) {
+		return NaN;
+	}
+	var rad;
+	x = ((x % 360) + 360) % 360
+	if (x <= 45) {
+		rad = deg2rad(x);
+		return kernelSin(rad, 0);
+	}
+	if (x <= 135) {
+		rad = deg2rad(x - 90);
+		return kernelCos(rad, 0);
+	}
+	if (x <= 225) {
+		rad = deg2rad(180 - x);
+		return kernelSin(rad, 0);
+	}
+	if (x <= 315) {
+		rad = deg2rad(x - 270);
+		return -kernelCos(rad, 0);
+	}
+	rad = deg2rad(360 - x)
+	return -kernelSin(rad, 0);
+}
+
+// EXPORTS //
+
+module.exports = sind;
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