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<!DOCTYPE html> <html> <body> <h2>JavaScript Math.sin()</h2> <p>Math.sin(x) returns the sin of x (given in radians):</p> <p>Angle in radians = (angle in degrees) * PI / 180.</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = "The sine value of 90 degrees is " + Math.sin(90 * Math.PI / 180); </script> </body> </html>
