function toRadians(degrees) {
return degress / 180 * Math.PI;
}
function toDegress(radians) {
return radians / Math.PI * 180;
}
function toRadians(degrees) {
return degress / 180 * Math.PI;
}
function toDegress(radians) {
return radians / Math.PI * 180;
}

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