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Edexcel A2 C4 Mathematics June 2016 - Official Thread

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Ah, correct, yes, it's pretty easy once you separate it into sin^2x and then do the identities. Well, if it does come up, we certainly have an advantage :wink:

Reply 3941

Marccs

What happens in this step , how is -8cost achieved

cos t.JPG6.7KB

Reply 3942

arrow_h

With the rate of change questions, do we use radians or degrees????

Reply 3943

shamk123

Original post by arrow_h

With the rate of change questions, do we use radians or degrees????

radians i think but might be wrong

Reply 3944

Mathskid137

Original post by Marccs

What happens in this step , how is -8cost achieved

Same way (4x-1)^2=16x^2-8x+1

remember the middle bits

Reply 3945

totabatouta

I'm not ready for this😰

Reply 3946

Mathskid137

Original post by Supermanxxxxxx

how can this be done using long division

A/x^2 +B/x+C/3x-2

same way as normal with partial fractions

Reply 3947

thenextchemist

Would they ask us to integrate sin^5x

Posted from TSR Mobile

Reply 3948

abro1089

Original post by totabatouta

I'm not ready for this😰

welcome to the club

Reply 3949

IReapZz6

why are the grade boundaries always so high :frown:

Reply 3950

lordoftheties

How do I do this anyone? Its from the jan 2016 IAL paper:

Screen Shot 2016-06-24 at 00.57.19.png

Attachment not found

Screen Shot 2016-06-24 at 00.57.11.png15.6KB

Reply 3951

Imperion

All the best guys :biggrin:

Reply 3952

EricPiphany

Original post by lordoftheties

How do I do this anyone? Its from the jan 2016 IAL paper:

Screen Shot 2016-06-24 at 00.57.19.png

Attachment not found

Reply 3953

WinterApproaches

Ill be posting solutions

Reply 3954

kpm123

Does anyone have the C4 past paper of 2016 Jan ?

Reply 3955

veldt127

Do solomon press papers get harder as you go through the alphabet? Trying to do the hardest questions I can before the exam.

Reply 3956

sincerelyso

Do we need to memorise areas and volumes for different shapes?

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Reply 3957

veldt127

Original post by sincerelyso

Do we need to memorise areas and volumes for different shapes?

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I've always seen cone volume given
Only other one I've seen is a cylinder which is circle area * length.

Reply 3958

leestitt

Original post by veldt127

I've always seen cone volume given
Only other one I've seen is a cylinder which is circle area * length.

I have also seen hemi-sphere but the volume was given also

Reply 3959

leestitt

Original post by veldt127

I've always seen cone volume given
Only other one I've seen is a cylinder which is circle area * length.

have also seen cube, but come on that aint rocket science haha xD

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Edexcel A2 C4 Mathematics June 2016 - Official Thread

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