Question

The picture shows a barn door.



What is the distance BC between the two horizontal parallel bars?
Answer


4 sin 45°
4 tan 45°

Answer 1

we told you the measurement is 4, which of those is equal to 4?

Answer 2

well dur but theres more to it

Answer 3

no there's not

Answer 4

one of those is equal to 4

Answer 5

if you know the answer if 4, then the trig expression that equals 1 will work.
does tan(45)=1 or does sin(45)=1?

Answer 6

tan(45)

Answer 7

so the answer is 4tan(45º)

Answer 8

ok thanks