Question

from the top of a tower of height 75m, a man sees two goats, both due west from him. If the angles of depression of the two goats are 10° and 17°, calculate the distance between them

Answer 1

any idea how to find x?
hint: use tan

Answer 2

umm, is it:
tan(10)=x/75

Answer 3

yes it is

Answer 4

so work that out and what do you get?

Answer 5

425.35

Answer 6

umm how did you get that?

Answer 7

please show me your working out

Answer 8

using a calculator i typed
75/tan(10)

Answer 9

ohhhh wait

Answer 10

i have to multiply by 75, don't i?

Answer 11

:)

Answer 12

yes

Answer 13

haha, oops :)

Answer 14

so answer would be?

Answer 15

13.23

Answer 16

and y=22.93

Answer 17

yep both correct

Answer 18

and then distance would be?

Answer 19

yay! thank you so much :)

Answer 20

so the answer is 9.7, right?

Answer 21

yep :)

Answer 22

thanks :)

Answer 23

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Answer 24

haha, bye