Question

A 35-foot ladder leans against a building so that cos B = 0.3.


What is the value of x? (screenshot included)

Answer 1

hey youu!! you gotta learn this stuff

Answer 2

this one is hard though

Answer 3

use the inverse of cosine ....

Answer 4

or just use the defintion of cosine as the ratio of its sides.

Answer 5

uhh

Answer 6

since cosB = x/L = .3

Answer 7

wait, what? I'm so confused

Answer 8

??

Answer 9

what part dont you understand?

Answer 10

all of it

Answer 11

then you need to review your course material until you get some basic fundamental knowledge to work with. review your trig definitions and how to solve for a variable using algebra.

Answer 12

i've reviewed over and over, but it doesn't ever click with my brain ho to do it

Answer 13

how*

Answer 14

what is the definition of a cosine function. what is it the ratio of?

Answer 15

i don't know :(

Answer 16

your material clearly defines it, so good luck

Answer 17

but....