Question

the angle of elevation of a bird from a point on the ground is 60 degree after 50 seconds flight the angle of elevation changes to 30 degree if the bird is flying at the height of 500 root 3 find the speed of the bird​

Answer 1

Answer:

1.the angle of elevation of a bird from a point 50m above a lake is 30degree and angle of depression of its reflection in the lake is 60degree find the height of bird above the lake