Method add

examples/extern/gmath.bundle.js:117–120

(other)

        return this.toRad().atan();
    }
    add(other) {
        const value = other instanceof Angle ? other.toDeg().value : other;
        return new Deg(this.value + value);
    }
    sub(other) {
        const value = other instanceof Angle ? other.toDeg().value : other;
        return new Deg(this.value - value);