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Who Can Solve This Mathematics Problem? - Education - Nairaland

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Who Can Solve This Mathematics Problem? by Martinez39s(m): 6:17pm On Apr 28, 2020
sad

Due of immense boredom, I decided to compose this simple question for Nairaland mathematicians:

If for any three angles A, B, and C,

Cos A = – Cos (B + C) and Sin A = Sin (B + C),

List all possible values of M if A + B + C = M
Re: Who Can Solve This Mathematics Problem? by Omar09(m): 6:19pm On Apr 28, 2020
Martinez39s:
sad

Due of immense boredom, I decided to compose this simple question for Nairaland mathematicians:

Oh church.
Re: Who Can Solve This Mathematics Problem? by Nobody: 6:20pm On Apr 28, 2020
Cc: mrshape, come and kill this fast.
Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 6:24pm On Apr 28, 2020
Omar09:


Oh church.
What about church? Can you find M?
Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 6:29pm On Apr 28, 2020
MrShape, dejt4u, Darivie04 (Darivie05), etc.
Re: Who Can Solve This Mathematics Problem? by Mrshape: 6:38pm On Apr 28, 2020
Spacewalk:
Cc: mrshape, come and kill this fast.
OK let me attempt it

1 Like

Re: Who Can Solve This Mathematics Problem? by Omar09(m): 6:44pm On Apr 28, 2020
Martinez39s:
What about church? Can you find M?

Gimme five minutes.
Re: Who Can Solve This Mathematics Problem? by bestabigaelever(f): 6:53pm On Apr 28, 2020
Cc: dejt4u
Re: Who Can Solve This Mathematics Problem? by Mrshape: 7:12pm On Apr 28, 2020
Martinez39s:
sad

Due of immense boredom, I decided to compose this simple question for Nairaland mathematicians:


(0°, 180° 360......)
M=180n were n is an integer
Re: Who Can Solve This Mathematics Problem? by dejt4u(m): 8:24pm On Apr 28, 2020
bestabigaelever:
Cc: dejt4u
thanks for the mention.. I've been so busy today.
Let me check it out

1 Like

Re: Who Can Solve This Mathematics Problem? by franklingud(m): 8:24pm On Apr 28, 2020
it started with A, B and C, Where and how did M come into this equation??

It should have been D not M.


I hate maths

2 Likes

Re: Who Can Solve This Mathematics Problem? by bestabigaelever(f): 8:26pm On Apr 28, 2020
dejt4u:
thanks for the mention.. I've been so busy today.
Let me check it out
You welcome
Re: Who Can Solve This Mathematics Problem? by Mrshape: 8:31pm On Apr 28, 2020
franklingud:
it started with A, B and C, Where and how did M come into this equation??

It should have been D not M.


I hate maths
Lol just say you no am
Re: Who Can Solve This Mathematics Problem? by franklingud(m): 8:39pm On Apr 28, 2020
Mrshape:

Lol just say you no am
Fvck I hate maths!!

I don't know sh!t about maths.

Just think of it, how and where did M get into that equation?

I thought it was going in alphabetical order.

1 Like

Re: Who Can Solve This Mathematics Problem? by Mrshape: 8:42pm On Apr 28, 2020
franklingud:

Fvck I hate maths!!

I don't know sh!t about maths.

Just think of it, how and where did M get into that equation?

I thought it was going in alphabetical order.
Lol
take it easy it is not fight I understand your frustration.

Many people wish they understand maths but only few do.
Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 8:51pm On Apr 28, 2020
Mrshape:

(0°, 180° 360......)
M=180n were n is an integer
WRONG! You are almost there. cheesy M = 360° wouldn't work (try A = 150°, B = 75°, and C = 135° as a test if you doubt me.) grin

Guiddoti, won't you attempt the question.
Re: Who Can Solve This Mathematics Problem? by Mrshape: 8:56pm On Apr 28, 2020
Martinez39s:
WRONG! You are almost there. cheesy M = 360° wouldn't work (try A = 150°, B = 75°, and C = 135° as a test.) grin

Guiddoti, won't you attempt the question.

Answer is (0, 180+360×n) were n is an integer
Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 8:59pm On Apr 28, 2020
Mrshape:


Answer is (0, 180+360×n) were n is an integer
Wrong! You are almost there. You are nearer to the answer than before.

NB: I have my workings, and I will post my solution tomorrow.
Re: Who Can Solve This Mathematics Problem? by Mrshape: 9:13pm On Apr 28, 2020
Martinez39s:
Wrong! You are almost there. You are nearer to the answer than before.

NB: I have my workings, and I will post my solution tomorrow.
Alright but I will get all values before them
Re: Who Can Solve This Mathematics Problem? by Homeboiy: 9:59pm On Apr 28, 2020
Even me wey be maths student hate maths.


Na to just graduate from there be my own.
Re: Who Can Solve This Mathematics Problem? by danielistics(m): 10:00pm On Apr 28, 2020
Martinez39s:
sad

Due of immense boredom, I decided to compose this simple question for Nairaland mathematicians:




Possible value of M is 180°
Re: Who Can Solve This Mathematics Problem? by omolasho: 10:03pm On Apr 28, 2020
And what do you do after getting the values of M? The Whites stopped solving pure mathematics before the entry of 21 century but application of mathematics in life situation like computer science and ICT. They are advancing Artificial Intelligence(where robots will render more than half of worlds population unemployed), you are here looking for 'M' Abi? Weeere!!!

2 Likes

Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 10:12pm On Apr 28, 2020
omolasho:
And what do you do after getting the values of M? The Whites stopped solving pure mathematics before the entry of 21 century but application of mathematics in life situation like computer science and ICT. They are advancing Artificial Intelligence(where robots will render more than half of worlds population unemployed), you are here looking for 'M' Abi? Weeere!!!
Who told you that whites stopped solving Pure Mathematics before the entry of the 21st century? If you are not interested in solving the problem, or you don't know how to solve it, leave this thread for those that are ready.

7 Likes

Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 10:16pm On Apr 28, 2020
danielistics:
Possible value of M is 180°
List all possible values of M.
Re: Who Can Solve This Mathematics Problem? by danielistics(m): 10:19pm On Apr 28, 2020
Martinez39s:
List all possible values of M.

-540, -180, 180, 540, 900, 1260 and so on. Just be adding 360°.
Re: Who Can Solve This Mathematics Problem? by NDSMELODY(m): 10:30pm On Apr 28, 2020
Martinez39s:
sad

Due of immense boredom, I decided to compose this simple question for Nairaland mathematicians:


1 Like

Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 10:39pm On Apr 28, 2020
danielistics:
-540, -180, 180, 540, 900, 1260 and so on. Just be adding 360°.
You are correct! cheesy cheesy The answer is M = (2n + 1)180°, where n is any integer. MrShape got this result, but he added 0° to his solution. Please show your working.
Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 10:41pm On Apr 28, 2020
NDSMELODY:
....
Wrong! Your workings are dubious and irrational.
Re: Who Can Solve This Mathematics Problem? by guiddoti: 10:48pm On Apr 28, 2020
CosA = -Cos(B+C)
SinA =Sin(B+C)

Let B+C=K

CosA=-CosK........1

SinA=SinK............2

Resolving using Quadrant

in (1) K= theta ; A=180- theta

180=A+k......3

in (2) A= theta ; K= 180-(-theta)
K-A=180.......4

2K=360........5
K=180
Put K into 3, A=0

0,180,-180.
Re: Who Can Solve This Mathematics Problem? by Mrshape: 10:52pm On Apr 28, 2020
Martinez39s:
You are correct! cheesy cheesy The answer is M = (2n + 1)180°, where n is any integer. MrShape got this result, but he added 0° to his solution. Please show your working.
Lol
That zero has been part of my mind since I saw they question.
Re: Who Can Solve This Mathematics Problem? by Martinez39s(m): 10:57pm On Apr 28, 2020
Mrshape:

Lol
That zero has been part of my mind since I saw they question.
Please show workings.
Re: Who Can Solve This Mathematics Problem? by NDSMELODY(m): 11:01pm On Apr 28, 2020
Show ur workings clearly

1 Like

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