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Re: I need some help with math ):

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imtellingmommy is not online. imtellingmommy
Joined: 10 Mar 2013
Total Posts: 817
02 Jul 2016 09:45 PM
I am currently in the fifth grade, and I have a basic/intermediate understanding of scripting.
However I have struggles with the math functions on roblox, as I am only in the fifth grade. What does math.sin, sine, tan, cosine, etc. mean? Thanks for your help.
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LegendaryAccount is not online. LegendaryAccount
Joined: 02 Jun 2010
Total Posts: 13193
02 Jul 2016 09:47 PM
stuff with angles/rotation you won't need to learn that stuff for a long time


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imtellingmommy is not online. imtellingmommy
Joined: 10 Mar 2013
Total Posts: 817
02 Jul 2016 09:47 PM
bump.
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imtellingmommy is not online. imtellingmommy
Joined: 10 Mar 2013
Total Posts: 817
02 Jul 2016 09:48 PM
I want to though.
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TheGrayHat is not online. TheGrayHat
Joined: 02 May 2014
Total Posts: 523
02 Jul 2016 09:48 PM
There's really no good simple definition to any of those functions. Sure I could start the traditional speech about how they're the ratios of a right triangle, but it'll probably bore you and mean nothing to you in the context of game development. Basically until you have a little more background in mathematics or have the patience to teach yourself, I would advise that you stick with the basics for now.
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imtellingmommy is not online. imtellingmommy
Joined: 10 Mar 2013
Total Posts: 817
02 Jul 2016 09:49 PM
I appreciate the advice, but maybe you could provide a basic understanding?
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DevVince is not online. DevVince
Joined: 08 Nov 2008
Total Posts: 9245
02 Jul 2016 09:49 PM
You can't do 5 x 5 without knowing how to do 5 + 5. So stick to what you're learning jumping ahead will just confuse you.
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EgoMoose is not online. EgoMoose
Joined: 04 Feb 2009
Total Posts: 2896
02 Jul 2016 09:58 PM
Google intro to the trigonometric ratios by khan academy. You are still going to need a bit of knowledge about angles though, so if you're you're feeling weak in that area try practicing measuring things with a protractor.
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imtellingmommy is not online. imtellingmommy
Joined: 10 Mar 2013
Total Posts: 817
02 Jul 2016 10:07 PM
Thank you, I already know to get the sin of an angle is to do opposite/hypotenuse!
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xXLegendarySoldierXx is not online. xXLegendarySoldierXx
Joined: 22 Mar 2012
Total Posts: 551
02 Jul 2016 10:39 PM
I really suggest to not jump ahead of your current learning, as these functions are an intro to trigonometry. So, just wait until you get into Geometry. They're not all that hard to learn, but just don't try and confuse yourself. Although, if you do plan on trying to learn these, remember soh cah toa. Look it up, but its a way to remember how to get sin, cosine, and tangent.
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RaulChaser is not online. RaulChaser
Joined: 07 Dec 2014
Total Posts: 655
02 Jul 2016 11:50 PM
You dont need to learn it yet, your only intermediate
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Extasio is not online. Extasio
Joined: 16 Oct 2011
Total Posts: 3910
02 Jul 2016 11:59 PM
It'S wayy too complicated, forget it'

people of 16 years old struggle with it so forget
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Kodran is not online. Kodran
Joined: 15 Aug 2013
Total Posts: 5330
03 Jul 2016 12:10 AM
He wants to learn so let him learn.

"people of 16 years old struggle with it so forget"

maybe stupid people of 16 years old. This guy is interested, who are you to stop him from doing what he wants.

OP just google some lesson or look on youtube
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RaulChaser is not online. RaulChaser
Joined: 07 Dec 2014
Total Posts: 655
03 Jul 2016 12:11 AM
We are simply telling him that he doesn't have to push that hard, it'll only stress him out.
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Exzeption is not online. Exzeption
Joined: 01 Nov 2011
Total Posts: 1312
03 Jul 2016 12:17 AM
math.sin means you did something wrong, like it errors because you did a sin in math. cosine is the thing that made it go wrong. tan is the color3 value of the color tan. you're welcome


~The Low Brass Master
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Andyliu5000 is not online. Andyliu5000
Joined: 02 Nov 2013
Total Posts: 969
03 Jul 2016 12:35 AM
LOL ^^^
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Contriox is online. Contriox
Joined: 09 Feb 2014
Total Posts: 1970
03 Jul 2016 12:37 AM
Exzeption a troll
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imtellingmommy is not online. imtellingmommy
Joined: 10 Mar 2013
Total Posts: 817
03 Jul 2016 01:21 AM
sine opposite over hypotenuse
cosine adjacent over hypotenuse
tanget is opposite over adjacent

http://www.platinumgmat.com/global/images/study_guide/pythagorean_theorem3.gif?v=1
lets call the one in the bottom right corner, A.
lets call 5, B, and 13, C.
B is the hypotenuse
the sine of A is sin(B/C)


am i right? :o?
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cntkillme1 is not online. cntkillme1
Joined: 16 Feb 2012
Total Posts: 592
03 Jul 2016 01:30 AM
Nope.

sin(B) = b/c where B is the angle across b (or in your case, the right-most angle)
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666cent is not online. 666cent
Joined: 03 Nov 2007
Total Posts: 32561
03 Jul 2016 01:31 AM
@Op

you'll learn in later on, I would suggest trying to make a game while challenging your self. The game might be horrible, but that's okay since it's your first game. As long as you keep challenging yourself and asking the scripters forum for help. Since you're starting to learn to script at such an early age chances are that in a couple of years you might make a very good game and cash in on devex.

Just remember it's easy to give up and stop trying to learn script, but I would suggest not as I can guarantee you that it will benefit you greatly later in life
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cntkillme1 is not online. cntkillme1
Joined: 16 Feb 2012
Total Posts: 592
03 Jul 2016 01:31 AM
You got it slightly correct, but also slightly incorrect too. sin(angle) is a ratio, not sin(ratio)

It's defined to be that way:
sin(angle) = opp/hyp
therefore
sin(A) = a/c = 12/13
sin(B) = b/c = 5/13
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kindcdog09 is not online. kindcdog09
Joined: 18 Nov 2010
Total Posts: 2421
03 Jul 2016 04:25 AM
This'll be something for me to learn because I'm taking Geometry this year.


#code print("I was fire but then I turned into ice")
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Contriox is online. Contriox
Joined: 09 Feb 2014
Total Posts: 1970
03 Jul 2016 09:59 AM
i already took geometry and i still dont understand
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TimeTicks is not online. TimeTicks
Joined: 27 Apr 2011
Total Posts: 27115
03 Jul 2016 10:02 AM
if you are in 5th grade and playing this game you need to reevaluate your life. Play a sport, learn an istrument, read,hangout with friends, spend time with your family instead of this crappy place.


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Contriox is online. Contriox
Joined: 09 Feb 2014
Total Posts: 1970
03 Jul 2016 10:03 AM
op save yourself
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