Question

An escalator in a department store is to carry people a vertical distance of 18 feet between floors. How long is the escalator if it makes and angle of 40° with the floor? Round to 1 decimal place.
Select one:
a. 9.6 ft
b. 11.5 ft
c. 17.9 ft
d. none of the above

Answer 1

First you should visualize it like this: we are solving for x now

Answer 2

Now you have to decide whether you need to use sin, cosine, or tangent.

Answer 3

sin

Answer 4

oh wow, I seriously just forgot how to do the rest -_-

Answer 5

lol

Answer 6

@amistre64

Answer 7

I'm sorry >.<

Answer 8

@skullpatrol