>>807 >>808
>>809
ありがとうございます!
両方やってみました

Quaternion Q;
Vector3 axis, Vdeg, Vrad;
float angle, t;
Rigidbody rb;

void Start () {
 rb = GetComponent < Rigidbody > ();
 Vdeg = new Vector3(45, 30, 0);
 Vrad = new Vector3(45, 30, 0) * Mathf.Deg2Rad;
 Q = rb.rotation;
}