|
Like, wtf is a sine, cosine, tangent? I never learned about those in school (i mean they taught us but i didn't learn it). I'm trying to review some of it through videos but it's hard to grasp it.
|
#
?
Jun 2, 2022 21:22
|
|
|
|
| # ? May 7, 2024 05:55 |
|
|
Cosine is what they make you do when you try to get a loan but you’re poor or black OP.
|
|
#
?
Jun 2, 2022 21:23
|
|
|
ive forgotten basically all math i was taught as a child including long division we have computers now
|
|
#
?
Jun 2, 2022 21:26
|
|
|
Big Scary Owl posted:Like, wtf is a sine, cosine, tangent? I never learned about those in school (i mean they taught us but i didn't learn it). I'm trying to review some of it through videos but it's hard to grasp it. Do drugs and leave that poo poo up to people who are crazy enough to put up with it. Numbers- who the gently caress needs 'em, am I right? *takes a big honkin' toke off a bong made from obtuse angles of the hypotenuse*
|
|
#
?
Jun 2, 2022 21:26
|
|
|
Big Scary Owl posted:Like, wtf is a sine, cosine, tangent? I never learned about those in school (i mean they taught us but i didn't learn it). I'm trying to review some of it through videos but it's hard to grasp it. I too made it through high school without ever finding out what the hell those were
|
|
#
?
Jun 2, 2022 21:28
|
|
|
the good news is it doesn't matter
|
|
#
?
Jun 2, 2022 21:34
|
|
|
It’s math for angles OP
|
|
#
?
Jun 2, 2022 21:40
|
|
|
Chinatown posted:ive forgotten basically all math i was taught as a child including long division 
|
|
#
?
Jun 2, 2022 21:41
|
|
|
It's all circles and lines.
|
|
#
?
Jun 2, 2022 21:43
|
|
|
goatface posted:It's all circles and lines. so is a set of balls and a dick now you mention it makes u think
|
|
#
?
Jun 2, 2022 21:44
|
|
|
Chinatown posted:ive forgotten basically all math i was taught as a child including long division
|
|
#
?
Jun 2, 2022 21:47
|
|
|
Who the gently caress needs to know math lol
|
|
#
?
Jun 2, 2022 21:47
|
|
|
Using trig you can work out how long your dick would be if it didn't have that sharp bend to the left
|
|
#
?
Jun 2, 2022 21:48
|
|
|
SOHCAHTOA-me
|
|
#
?
Jun 2, 2022 21:50
|
|
|
a sine wave comes out of a synthesizer
|
|
#
?
Jun 2, 2022 21:53
|
|
|
here you go OP https://www.youtube.com/watch?v=Bu4fulKVv2c
|
|
#
?
Jun 2, 2022 22:02
|
|
|
Big Scary Owl posted:Like, wtf is a sine, cosine, tangent? I never learned about those in school (i mean they taught us but i didn't learn it). I'm trying to review some of it through videos but it's hard to grasp it. Trig is all about right angle triangles right, Imagine a right angle triangle, It's kinda impossible to change the length of one side, or just one angle and keep the right angled triangle still being a right angled triangle. That is to say there is a relationship between how long the sides of triangle is , and the angles present. And it is thankfully a linear A=BC relationship There are three ways this relationship can be arranged, the names for these relationships is Sin Cosine & Tangent Armed with this knowledge and one side and angle, you can predict the rest of the triangle with algebra Straight up if you are struggling with this and need to get it down pat, shoot me a PM and I'll happily get on a video chat or something I help students with this level of math pretty much daily and have a lot of experience teaching it Jestery fucked around with this message at 22:05 on Jun 2, 2022 |
|
#
?
Jun 2, 2022 22:03
|
|
|
visualise a thing moving in a circle at a constant speed. now imagine off to one side of the circle, a thing that moves in one dimension (up and down) and stays level with the thing moving in a circle. now imagine that second moving thing has a pen attached to it and there's a piece of paper underneath scrolling past at a constant speed. the pen draws a sine wave on the paper. sine and cosine are also called "circular functions" because they are closely related to circles.
|
|
#
?
Jun 2, 2022 22:05
|
|
|
Jestery posted:Trig is all about right angle triangles right, I like to show that using rifle sights also uses basic trig, as the real life connection (lots of hunters and gun nut kids here).
|
|
#
?
Jun 2, 2022 22:05
|
|
|
I’m a big dumb loving idiot when it comes to most things, but I can still remember algebra and finding fractions and percentages/decimals and all that poo poo. Probably because I worked in maintenance and need to find square footage and angles and lengths. Basic trigonometry is good for stuff like that, and that’s as far as I go with it. Calculus is a whole other  for me.
|
|
#
?
Jun 2, 2022 22:06
|
|
|
It's made up nonsense OP look at this poo poo You think that's real? It's not
|
|
#
?
Jun 2, 2022 22:07
|
|
|
Circles and lines.
|
|
#
?
Jun 2, 2022 22:09
|
|
|
Trig’ discipline
|
|
#
?
Jun 2, 2022 22:11
|
|
|
It gets more interesting on non-planar surfaces.
|
|
#
?
Jun 2, 2022 22:12
|
|
|
Jestery posted:Trig is all about right angle triangles right, I'd like a drawing or something if possible but Mooey Cow posted:It's made up nonsense OP look at this poo poo not like this
|
|
#
?
Jun 2, 2022 22:16
|
|
|
I'm a programmer and I don't know anything about math but I assume none of it is more complex than object inheritance.
|
|
#
?
Jun 2, 2022 22:21
|
|
|
Google “ soh cah toa” and click the images tab
|
|
#
?
Jun 2, 2022 22:21
|
|
|
Mooey Cow posted:It's made up nonsense OP look at this poo poo BRO have you ever listened to TOOL ??
|
|
#
?
Jun 2, 2022 22:22
|
|
|
Flowers for QAnon posted:Google “ soh cah toa” and click the images tab I look at it and I get that I can calculate stuff with sohcahtoa but I still don't know what a cosine actually is Jestery posted:Sure thing, gimme a bit of time, I just clocked on to work Cool!
|
|
#
?
Jun 2, 2022 22:25
|
|
|
Big Scary Owl posted:I'd like a drawing or something if possible but Sure thing, gimme a bit of time, I just clocked on to work
|
|
#
?
Jun 2, 2022 22:25
|
|
|
It's the imaginary component.
|
|
#
?
Jun 2, 2022 22:26
|
|
|
Big Scary Owl posted:I look at it and I get that I can calculate stuff with sohcahtoa but I still don't know what a cosine actually is Think of it as a way to convert linear motion to radial motion. You just need to use the correct conversion code - those are sine, cosine. Maybe more succinctly, conversion tool for measuring in distance, vs angles.
|
|
#
?
Jun 2, 2022 22:30
|
|
|
A cosine is a number. But it's easier to remember and write cos(37) than to write 0.7654. Especially because if the angle changes, so does its cos, sin, and tan. So what you do is you use algebra to figure out what the algebraic answer you're looking for will be in terms of cos, sin, and tan, then you replace the cos(37) in your equation with 0.7654 and get the numeric answer Edit: It used to be that your trig textbooks would have like 200 pages of tables for all the sins and cosines and tangents and secants and cotangents and cosecants for every angle from 0.0 to 179.9 Speleothing fucked around with this message at 22:33 on Jun 2, 2022 |
|
#
?
Jun 2, 2022 22:30
|
|
|
And another thing, what's this dark matter thing I keep hearing about, and why can't they detect it
|
|
#
?
Jun 2, 2022 22:30
|
|
|
i use it every day, op
|
|
#
?
Jun 2, 2022 22:31
|
|
|
Phlegmish posted:And another thing, what's this dark matter thing I keep hearing about, and why can't they detect it Cause it ain't bloody there that's why
|
|
#
?
Jun 2, 2022 22:32
|
|
|
Big Scary Owl posted:I look at it and I get that I can calculate stuff with sohcahtoa but I still don't know what a cosine actually is Unless you want to go deeper into math, sin cos and tan are just labels for formulae This can be further explained if you want but goes a bit beyond the purview of entry level trig
|
|
#
?
Jun 2, 2022 22:32
|
|
|
Mooey Cow posted:Cause it ain't bloody there that's why It does seem like a cop-out "those faraway galaxies are moving so fast bexause of uhhhh dark matter. i ain't gotta explain poo poo"
|
|
#
?
Jun 2, 2022 22:33
|
|
|
however,
|
|
#
?
Jun 2, 2022 22:36
|
|
|
|
| # ? May 7, 2024 05:55 |
|
|
|
|
#
?
Jun 2, 2022 22:38
|
|