if the plane turns south at point P, then if you set AP along the +x axis, then the angle θ=PAB is
tanθ = -80/100
θ = -39°
That's E39°S or a bearing of 129°
A plane setts off from airport A and flies due east for 100 km, then turns to fly due south for 80 km before landing at an airport b show that the approximate bearing of airport b from airport a is 129
1 answer
1 answer