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INSTRUCTIONS TO CANDIDATES
· Write your name clearly in capital letters, your Centre Number and Candidate Number in the spaces provided on the
Answer Booklet.
· Use black ink. Pencil may be used for graphs and diagrams only.
· Read each question carefully and make sure that you know what…

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6993

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2
Formulae Sheet: 6993 Additional Mathematics
C In any
triangle ABC
Cosine rule a2
= b2
+ c2
- 2bccosA
ba
Ac
B

Binomial expansion
When n is a positive integer
(a + b)
n

=a
n

+(
n1
n-1b + (

n2
n-2b2

+ ... + (
nr
n-r…

Page 6

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)a
)a
nr
)=
n

C
r

=
n! r!(n - r)!
© OCR 2009 6993 Jun09

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3
Section A
1 The angle is greater than 90


and less than 360


and cos =
. Find the exact value of tan . [3]
2 Find the equation of the normal to the curve y = x3
+ 5x - 7 at the point (1, -1). [5]
3…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
INSTRUCTIONS TO CANDIDATES
· Write your name clearly in capital letters, your Centre Number and Candidate Number in the spaces provided on the
Answer Booklet.
· Use black ink. Pencil may be used for graphs and diagrams only.
· Read each question carefully and make sure that you know what…

Page 3

Preview of page 3
6993

Page 4

Preview of page 4

Page 5

Preview of page 5
2
Formulae Sheet: 6993 Additional Mathematics
C In any
triangle ABC
Cosine rule a2
= b2
+ c2
- 2bccosA
ba
Ac
B

Binomial expansion
When n is a positive integer
(a + b)
n

=a
n

+(
n1
n-1b + (

n2
n-2b2

+ ... + (
nr
n-r…

Page 6

Preview of page 6
)a
)a
nr
)=
n

C
r

=
n! r!(n - r)!
© OCR 2009 6993 Jun09

Page 7

Preview of page 7

Page 8

Preview of page 8
3
Section A
1 The angle is greater than 90


and less than 360


and cos =
. Find the exact value of tan . [3]
2 Find the equation of the normal to the curve y = x3
+ 5x - 7 at the point (1, -1). [5]
3…

Comments

No comments have yet been made