Question

Which expression can be used to find the distance between the points B and C of the entrance?

Answer 1

Please help

Answer 2

do u wanna find distance BC ?

Answer 3

yes

Answer 4

Which expression can be used to find the distance between the points B and C of the entrance?

15 (cot 65° + sec 25°)

15(cot 65° + cot 25°)

Answer 5

and the last two answers are the same as those but dividing them.

Answer 6

15/ tan 65 + 15/ tan25..

= 15 (cot 65 + cot 25) = 15 cot 90

Answer 7

sorry for late reply..

Answer 8

Its okay, and thanks sooo much!!

Answer 9

wait.. cot 90 = 0..

Answer 10

wait, cot 90 = 0

so 15/ tan65 + 15/ tan 25 = 15/2.14 + 15/0.46 = 39.618..

Answer 11

okay..