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I Need To Solve This In 30min. Plz Help by Emmany13: 10:28pm On Jan 24, 2020
Gurus in the house

Re: I Need To Solve This In 30min. Plz Help by Oluwasaeon(m): 10:33pm On Jan 24, 2020
Brb
Re: I Need To Solve This In 30min. Plz Help by Kkings11: 10:43pm On Jan 24, 2020
Na why I no like maths be dis. Wetin bring cgt for The equation.
Abeg o mods
Mynd44
Lalasticlala do something.
Re: I Need To Solve This In 30min. Plz Help by dadarasak(m): 11:03pm On Jan 24, 2020
Emmany13:
Gurus in the house
C
Re: I Need To Solve This In 30min. Plz Help by dadarasak(m): 11:03pm On Jan 24, 2020
Emmany13:
Gurus in the house

Cosec(x) +cotan(x)
Re: I Need To Solve This In 30min. Plz Help by Emmany13: 11:11pm On Jan 24, 2020
dadarasak:


Cosec(x) +cotan(x)
This is what I got too boss. Thanks �
Re: I Need To Solve This In 30min. Plz Help by Kkings11: 11:49pm On Jan 24, 2020
dadarasak:


Cosec(x) +cotan(x)
Eh yes oh, na exactly Wetin me too for get assuming I solve am.

5 Likes

Re: I Need To Solve This In 30min. Plz Help by femi4: 5:23am On Jan 25, 2020
Emmany13:
Gurus in the house
We know that sin^2(x) + cos^2(x)=1

==> sin^2(x)= 1-cos^2(x)

==> sin^2(x)= (1-cos(x))(1+cos(x))

==> (sinx)(sinx)= (1-cosx)(1+cosx)

Now divide by (sinx)(1-cosx)

==> sinx/(1-cosx)=(1+cosx)/(sinx)
= 1/sinx + cosx/sinx
= cosecx + cot x

5 Likes

Re: I Need To Solve This In 30min. Plz Help by Kylekent59: 7:56am On Jan 25, 2020
Emmany13:
Gurus in the house
Oluwasaeon, femi4, Kkings11, Emmany13 ,


Sin(x)/1-Cos(x)

By rationalising,

Sin(x)/1-Cos(x) X 1+Cos(x)/1+Cos(x)

Multiplying,

Sin(x) + Sin(x)Cos(x) / 1 - Cos2(x)

But Cos2(x) = 1 - Sin2(x)

Factoring out Sin(x)

Sin(x) (1 + Cos(x)) / 1 - 1 + Sin2(x)

1 + Cos(x) / Sin(x)

1/Sin(x) + Cos(x)/Sin(x)

But, 1/Sin(x) = Csc(x)

Cos(x)/Sin(x) = Cotg(x), where g(x) is Cos(x)/Sin(x)

= Csc(x) + Ctg(x)

Which is same as option "C"

2 Likes

Re: I Need To Solve This In 30min. Plz Help by femi4: 8:45am On Jan 25, 2020
Kylekent59:

Oluwasaeon, femi4, Kkings11, Emmany13 ,


Sin(x)/1-Cos(x)

By rationalising,

Sin(x)/1-Cos(x) X 1+Cos(x)/1+Cos(x)

Multiplying,

Sin(x) + Sin(x)Cos(x) / 1 - Cos2(x)

But Cos2(x) = 1 - Sin2(x)

Factoring out Sin(x)

Sin(x) (1 + Cos(x)) / 1 - 1 + Sin2(x)

1 + Cos(x) / Sin(x)

1/Sin(x) + Cos(x)/Sin(x)

But, 1/Sin(x) = Csc(x)

Cos(x)/Sin(x) = Cotg(x), where g(x) is Cos(x)/Sin(x)

= Csc(x) + Ctg(x)

Which is same as option "C"
Itk, no be the same answer we get

Csc = Cosec

Ctg = Cot/Cotangent
Re: I Need To Solve This In 30min. Plz Help by Kylekent59: 9:05am On Jan 25, 2020
femi4:
Itk, no be the same answer we get

Csc = Cosec

Ctg = Cot/Cotangent

thanks.

You are right
Re: I Need To Solve This In 30min. Plz Help by Emmany13: 11:30am On Jan 25, 2020
Thanks � guys.
Re: I Need To Solve This In 30min. Plz Help by kings59: 1:56pm On Jan 25, 2020
Emmany13:
Thanks � guys.
femi4:
Itk, no be the same answer we get

Csc = Cosec

Ctg = Cot/Cotangent
Kkings11:

Eh yes oh, na exactly Wetin me too for get assuming I solve am.
dadarasak:


Cosec(x) +cotan(x)
Oluwasaeon:
Brb

Omo, Kylekent59 solve am in a way you go get "A" for the cource


Femi solve am in a way you go get "C" for the course.


Kylekent I sight you oo. Me too don learn something.

1 Like

Re: I Need To Solve This In 30min. Plz Help by federal9: 2:16pm On Jan 25, 2020
femi4:
Itk, no be the same answer we get

Csc = Cosec

Ctg = Cot/Cotangent


There is nothing like ITK, he solved it rightly and showed workings too.


Must you always have a wicked heart??


He even replied you without insult or any insolent words.
Re: I Need To Solve This In 30min. Plz Help by ADEWUMIMichael(m): 2:29pm On Jan 25, 2020
Emmany13:
Gurus in the house


But why everyone dey disturb themselves??,

Since the question has option, just substitute x=30 in the question and write what you get down... Then substitute x=30 in each option, the one that gives you the same answer as your question is the final answer

2 Likes

Re: I Need To Solve This In 30min. Plz Help by Evangkatsoulis: 2:40pm On Jan 25, 2020
Kkings11:
Na why I no like maths be dis. Wetin bring cgt for The equation.
Abeg o mods
Mynd44
Lalasticlala do something.
Ctg should be cotangent
Re: I Need To Solve This In 30min. Plz Help by sunrealboy01(m): 2:47pm On Jan 25, 2020
Hmm, wisdom... what do i know...
ADEWUMIMichael:



But why everyone dey disturb themselves??,

Since the question has option, just substitute x=30 in the question and write what you get down... Then substitute x=30 in each option, the one that gives you the same answer as your question is the final answer
Re: I Need To Solve This In 30min. Plz Help by ADEWUMIMichael(m): 2:48pm On Jan 25, 2020
sunrealboy01:
Hmm, wisdom... what do i know...
that's the perfect way to solve, since we are not to show any workings
Re: I Need To Solve This In 30min. Plz Help by femi4: 2:49pm On Jan 25, 2020
federal9:



There is nothing like ITK, he solved it rightly and showed workings too.


Must you always have a wicked heart??


He even replied you without insult or any insolent words.
Ode! You didn't see that he quoted me and others, implying that our workings were wrong cos he didn't know that csc = cosec and ctg = cot/cotangent
Re: I Need To Solve This In 30min. Plz Help by femi4: 2:54pm On Jan 25, 2020
kings59:


Omo, Kylekent59 solve am in a way you go get "A" for the cource


Femi solve am in a way you go get "C" for the course.


Kylekent I sight you oo. Me too don learn something.
You are just poor in analytical reasoning
Re: I Need To Solve This In 30min. Plz Help by federal9: 3:39pm On Jan 25, 2020
femi4:
Ode! You didn't see that he quoted me and others, implying that our workings were wrong cos he didn't know that csc = cosec and ctg = cot/cotangent

And you fell to my trap.

I knew it, you wouldn't disappoint.


You are insolent and rude.


Go and learn how to socialise without insulting one.
Re: I Need To Solve This In 30min. Plz Help by Kylekent59: 3:43pm On Jan 25, 2020
federal9:


And you fell to my trap.

I knew it, you wouldn't disappoint.


You are insolent and rude.


Go and learn how to socialise without insulting one.




Bro, that's hw life is. Reason why people don't wanna help or try to do something.

Others are waiting to criticise you.



All the honour should be given to "Femi" not me.

I don't deserve any honours plzz.
Re: I Need To Solve This In 30min. Plz Help by Emmany13: 8:07pm On Jan 25, 2020
ADEWUMIMichael:



But why everyone dey disturb themselves??,

Since the question has option, just substitute x=30 in the question and write what you get down... Then substitute x=30 in each option, the one that gives you the same answer as your question is the final answer
Dz guy go don do CBT wella.

1 Like

Re: I Need To Solve This In 30min. Plz Help by ADEWUMIMichael(m): 8:39pm On Jan 25, 2020
Emmany13:

Dz guy go don do CBT wella.
lol
Re: I Need To Solve This In 30min. Plz Help by souljar(m): 6:27am On Jan 28, 2020
Emmany13:

Dz guy go don do CBT wella.
Exactly grin... Shortcut been saving lives since last decade
Re: I Need To Solve This In 30min. Plz Help by kings59: 2:08pm On Jan 28, 2020
femi4:
You are just poor in analytical reasoning

But that's the truth bro, no need of you abusing me.

Sowi ehn

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