Question

http://prntscr.com/jirofx help geometry

Answer 1

@Hero

Answer 2

@umm When @woolyfrog tagged us... I just noticed we are both under "U" XD

Answer 3

LOL, you just noticed? x'D I been noticed.
Noob.

Anyways, sorry Wooly, I'm not good with Math.

Answer 4

it's alright guys :)

Answer 5

Okie.

@Hero

Answer 6

@woolyfrog are you familiar with the formulas for sine and cosine? If so can you type what they are here?

Answer 7

Sin opp/hyp Cos adj/h

Answer 8

Excellent. And in this case, for \(\sin(x)\), which value, would you say, represents the opposite side?

Answer 9

3

Answer 10

Put it this way, Which side is directly opposite angle \(x\).

Answer 11

my bad, it's 4

Answer 12

Very good. And what is the value of the hypotenuse side?

Answer 13

5

Answer 14

4/5

Answer 15

Very good. \(\sin(x) = \dfrac{4}{5}\). Okay, now for \(\cos(y)\), which side represents the adjacent side?

Answer 16

4

Answer 17

Correct. And you already know the hypotenuse side, right? So what is \(\cos(y)\)?

Answer 18

identical to Sin

Answer 19

4/5

Answer 20

You got it. Great job.

Answer 21

Thank you for the help hero!

Answer 22

No problemo