tan < Math < JavaScript

The Math tan() static method returns the tangent of a number in radians.

    
    function getTanFromDegrees(degrees) {
      return Math.tan((degrees * Math.PI) / 180);
    }

    console.log(getTanFromDegrees(0));
    // 0

    console.log(getTanFromDegrees(45));
    // 0.9999999999999999

    console.log(getTanFromDegrees(90));
    // 16331239353195370