Question

A bird (B) is spotted flying 6,000 feet from a tower (T)). An observer (O) spots the top of the tower (T)) at a distance of 9,000 feet. What is the angle of depression from the bird (B) to the observer (O)?



33.69°

41.81°

48.18°

56.31°

Answer 1

in triangle OBT
tan x°=?

Answer 2

9000/6000 such as Opposite/Adjacent

Answer 3

ya u r right

Answer 4

x°=?

Answer 5

1.5

Answer 6

And I put it in my calculator as Tan^-1(1.5) and got 56.30!

Answer 7

tan x°=1.5
right?

Answer 8

But my question is why did I use Tan^-1 instead of just Tan

Answer 9

x=tan^-1(1.5)
x=?

Answer 10

56.30

Answer 11

ok

Answer 12

i hv no calculator now

Answer 13

oh ok no problem and thank you jee

Answer 14

u r most welcome