Calculate the height of a tree whose shadow is 20m shorter when the angle of elevation of the sun is 60° than when the angle of elevation is 30°

Answer 1

Draw a diagram and review the basic trig functions. You can see that if the height is h, then
h cot30° - h cot60° = 20

Answer 2

I need the calculation

Answer 3

Please try to do something about the question and the answer

Answer 4

Calculate the height of a tree whose shadow is 20 metres shorter when the angle of elevation of the sun is 60° than when the angle of elevation is 30°