/* * Radian : https://en.wikipedia.org/wiki/Radian * Degree : https://en.wikipedia.org/wiki/Degree_(angle) * * Angle in Degree = ( Angle in Radian ) x ( 180 / pi ) * * Example : * Question : Convert pi / 2 degree to radian * So, Angle in Radian = pi / 2 * * Solution : * Angle in Degree = ( pi / 2 ) x ( 180 / pi ) = 90 * * So, pi / 2 radian is equal to 90 degree */ /** * @param {number} radian * @return {number} */ export const radianToDegree = (radian) => { return radian * (180 / Math.PI) }