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by JDC
Thu Nov 28, 2013 7:33 pm
Forum: Trigonometry
Topic: 2 Points, 2 Angles, where does it land?
Replies: 1
Views: 922

Re: 2 Points, 2 Angles, where does it land?

ahh, I think I figured it out...

I can use the same formula from my last post to get the distance between angle A and C

Once I have that, I can use the angle of A to C then do this...


x = 27.73 × cos( 25.64 °) = 25 + 1 =26
y = 27.73 × sin( 25.64 °) = 12 + 1 =13
by JDC
Thu Nov 28, 2013 7:17 pm
Forum: Trigonometry
Topic: 2 Points, 2 Angles, where does it land?
Replies: 1
Views: 922

2 Points, 2 Angles, where does it land?

Hi again, I have a new problem I was hoping to gets some help with... a triangle has 3 points Point A is located at 2, 17.5 Point B is located at 1,1 Point C is unknown Angle A is 82.85 Angle B is 60.89 Angle C is 36.26 Can someone help me with how I would get the plotted points for C please? I know...
by JDC
Wed Nov 27, 2013 2:49 pm
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

The Spreadhseets are here.

There is just 1, but, 3 different formats in case someone doesn't have Excel. There is open document format as well, Open Office is free.

Hope someone finds this useful.

https://drive.google.com/file/d/0B1m00DtNOWE4UHhzc0RVcWVEbWM/edit?usp=sharing
by JDC
Wed Nov 27, 2013 12:28 pm
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

Is there anyway to post zip files, I'd be happy to share the Excel SpreadSheet. If anyone else runs into this questions I'm sure it would be useful.

Any suggestions for uploading files?
by JDC
Wed Nov 27, 2013 12:17 pm
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

Is there a quicker way of doing this? Sorry, but, I could not understand the solution you tried to walk me through, would you mind posting something similar? If there is an easier way I'd like to know, the above steps seemed to be a little overkill, but, at least I was able to get the answer. I did ...
by JDC
Wed Nov 27, 2013 3:32 am
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

Ok, I figured it out finally! :) I just created a SpreadSheet and found all the formulas 1 at a time... Thanks for helping, I think you might have left out a critical piece re:SinA, once I read about that it all made sense :) In the spreadsheet, it only requires A, B and c http://s29.postimg.org/626...
by JDC
Wed Nov 27, 2013 1:22 am
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

Ok, when I use excel for TAN(10) I get 0.176327

So, if you're saying that "h/(150-h)" needs to equal the same then I'm not sure how to formulate that.

I don't know the formula, but, by deduction it's about "22.4845"

How do I get 22.5?
by JDC
Tue Nov 26, 2013 11:49 pm
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

Does this sound right so far?

tan(45)=1
150*1=150

tan(10) = .176327
150*.176327 = 26.44905

150-26.44905 = 123.551

am I even close?
by JDC
Tue Nov 26, 2013 11:17 pm
Forum: Trigonometry
Topic: Finding rocket's distance at various angles after launch
Replies: 19
Views: 5154

Re: Finding rocket's distance at various angles after launch

Ok, I'll try...

I found this site, I'm not sure if I'm suppose to use Radians or Degrees. I assume degrees?

http://www.rapidtables.com/calc/math/Tan_Calculator.htm

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