a plane is flying at an angle of 15 degrees inclined to the horizontal...

Question

a plane is flying at an angle of 15 degrees inclined to the horizontal, how far will the plane have to travel along its line of flight to increace is altitude (height) by 500m

Answer 1

Just set up the triangle, angle is 15 degrees, opposite side is 500m, find the hypotenuse...   sin(15) = 500/x