# Welcome to c/science_memes @ Mander.xyz!

A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

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**Rules**

- Don't throw mud. Behave like an intellectual and remember the human.
- Keep it rooted (on topic).
- No spam.
- Infographics welcome, get schooled.

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Is this genuine? Like is the unit circle really fucking you up that bad?

You leave my unit circle alone!

Why?

SOH CAH TOA

Ah, sohcahtoa. Not to be confused with

Thx, this is not helpful, but I will never be able to think of it any other way now

Please elaborate.

Sine of theta is the ratio of the lengths of the Opposite side over the Hypotenuse (SOH). Cosine of theta is Adjacent over Hypotenuse (CAH). Tangent of theta is Opposite over Adjacent (TOA).

Oh you're saying opposite site and adjacent site in English

Anyway how is the r=1 circle harmful for that?

How do you know which one is "opposite" and adjacent? They could literally be exactly the same but in any case they both touch the hypotenuse?

Adjacent or opposite to the angle you're referring to.

I'm pretty dumb, so I don't understand this one.

Pythagorean theorem.

Although, don't solve this or else Pythagoras might throw you off of a boat

Pretty sure this is Pythagorean Identity, theorem is a²+b²=c²

Probably that trigonometry is the highest math the average person will take?

I got to calculus 2 and proceeded to forget everything through algebra II once I took a break from math for a semester.

Believe this was featured in a paper that recently used trig to prove the Pythagorean theorem (previously thought to be a circular definition). I think some highschoolers cracked it as part of a mathematics challenge or something.

Why is it 1

It was freely chosen for simplicity.

If you choose another R, the other sides (x and y) become R*cos(th) and R*sin(th)

I don't understand what is harmful about the unity circle either.

Any circle could have its radius technically be 1, as long as you set the units of measurement so that 1 equals the radius of the circle.

Because it's a unit circle.

for the same reason that rulers start with 1, it would be utterly pointless to use anything else.

Your ruler starts with 1? How do you measure stuff between 0 and 1?

those are unlabeled, have you ever seen a ruler?

I am fascinated, can you show a picture

Zero is not unlabelled lol

Someone needs to turn this into loss

Took me a minute to notice, but it was worth it

Notice what??

## You can use the spoiler tag

No spoiler

Notice what, exactly. I still don't get it.

Take a look again, it's still there

I only see the double arrows.

When you look at it for a minute, your phone will dim the screen and in reflection you'll see the person who has harmed you.

I've seen it! The bastard!

Deleted by author

SOH CAH TOA is just a trick to make rote memorization of procedure easier. Understanding the unit circle will let you understand what trigonometry is actually *doing.*

Yeah, dividing a circle into 360 parts, then subdividing those by 60, and further subdividing those by 60 makes so much more sense than just using ratio of a number fundamental to circles themselves.