Answer: 19.101 miles north
Explanation:
Now were given an right angled trinagle with the with the 2nd angle being 23 degrees and given a triangle leg length of 45 miles which is adjcent to the angle and were trying to find how find out how far north it went meaning were trying to find how far up it went thus trying to find the side opposite of the angle.
So now we know our facts we need a trig function which uses both the adjacent and opposites sides, that would be tangent.