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Author Topic: [CIE] All Pure Mathematics (P1, P2 and P3) doubts here !  (Read 79938 times)

Offline SkyPilotage

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #180 on: April 26, 2011, 11:17:21 pm »
Quote from: astarmathsandphysics on April 25, 2011, 09:23:46 pm
hey guys..need help on may june 2009 questions 1,3(ii), and 4.

 see attachment

Oh srry, I didnt see tht it was already explained  ;)
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Offline polltery

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #181 on: April 27, 2011, 12:53:19 am »
Can any one help me out with this question?  ??? m not able to understand how do u solve it?  :-\
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Offline astarmathsandphysics

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #182 on: April 27, 2011, 09:06:51 am »
See attachment
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Offline SkyPilotage

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #183 on: April 27, 2011, 09:52:51 am »
Quote from: astarmathsandphysics on April 27, 2011, 09:06:51 am
See attachment
Is it allowed to use A2 formulas in As ?
For part i) it can be solved by as rules since tan(pi-x)=-tan(x-pi)=-tanx=-k
Can u explain part ii) using the trigonometric circle? Srry for the trouble....
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Offline astarmathsandphysics

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #184 on: April 27, 2011, 10:08:31 am »
Will have to ne when i get home
 
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Offline your sister

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #185 on: April 29, 2011, 12:00:32 pm »
j05 q7  (i)
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LA ILAHA ILLA ANTA SUBHANAKA INNI KUNTU MINAZ ZALIMEEN

http://www.scribd.com/doc/17621/Remedies-From-the-Holy-QurAn

http://maniacmuslim.com/forums/index.php?/topic/8912-specific-duas-for-students/ 

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Offline your sister

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #186 on: April 29, 2011, 12:02:32 pm »
Quote from: your sister on April 29, 2011, 12:00:32 pm
j05 q7  (i)

ok forget it i found out :P
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LA ILAHA ILLA ANTA SUBHANAKA INNI KUNTU MINAZ ZALIMEEN

http://www.scribd.com/doc/17621/Remedies-From-the-Holy-QurAn

http://maniacmuslim.com/forums/index.php?/topic/8912-specific-duas-for-students/ 

remember me in your prayers(:
Proud to be a Pakistani
i've got green blood (:
CriCket<3

Offline polltery

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #187 on: May 01, 2011, 02:59:32 am »
hey guys, jst wanted to share a gr8 site for making graphs ! :)
http://url3.tk/graph.tk/http://url3.tk/graph.tk/
http://url3.tk/graph.tk/
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Offline HUSH1994

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #188 on: May 01, 2011, 06:56:32 am »
MJ 2010 P11 Q1 parts 2 & 3,how are we supposed to solve such questions
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Offline SkyPilotage

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #189 on: May 01, 2011, 02:52:21 pm »
Quote from: ~~!$!HUSH!$!~~ on May 01, 2011, 06:56:32 am
MJ 2010 P11 Q1 parts 2 & 3,how are we supposed to solve such questions
it was solved by astarmathsandphysics the previous page...
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Offline EMO123

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #190 on: May 01, 2011, 03:30:10 pm »
Quote from: ~~!$!HUSH!$!~~ on May 01, 2011, 06:56:32 am
MJ 2010 P11 Q1 parts 2 & 3,how are we supposed to solve such questions
this is from Mr. Astar
and for HUsh

but one thing i dont get is that i am not familier with cot x
so can anyone explain me the concept of cot x
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Offline SkyPilotage

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #191 on: May 01, 2011, 04:21:26 pm »
Quote from: EMO123 on May 01, 2011, 03:30:10 pm
this is from Mr. Astar
and for HUsh

but one thing i dont get is that i am not familier with cot x
so can anyone explain me the concept of cot x
cotx is an A2 formula which is 1 over tanx = cosx over sinx
however I prefer using the tan property which is tanx=-tan(-x)
therefore tan(pi-x)= -tan(x-pi) = -tanx = -k                  *P.S : tan(x+180)=tan(x-180)=tanx since the tan graph repeats itself every 180 degrees unlike the six or cosine (360)
I hope tht clears the first part! :)
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Offline EMO123

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #192 on: May 01, 2011, 04:25:34 pm »
Quote from: SkyPilotage on May 01, 2011, 04:21:26 pm
cotx is an A2 formula which is 1 over tanx = cosx over sinx
however I prefer using the tan property which is tanx=-tan(-x)
therefore tan(pi-x)= -tan(x-pi) = -tanx = -k                  *P.S : tan(x+180)=tan(x-180)=tanx since the tan graph repeats itself every 180 degrees unlike the six or cosine (360)
I hope tht clears the first part! :)
thanx man and +rep for the information
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Offline SkyPilotage

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #193 on: May 01, 2011, 04:29:17 pm »
Quote from: EMO123 on May 01, 2011, 04:25:34 pm
thanx man and +rep for the information
No problem, Glad to help  ;)
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Offline HUSH1994

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Re: All Pure Mathematics DOUBTS HERE!!!
« Reply #194 on: May 01, 2011, 04:46:40 pm »
Thanks emo :)
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