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Information Sheet Math

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15 views1 page

Information Sheet Math

Uploaded by

foxlondon9
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Mathematics/P2 DBEANovember 2023

NSC

INFORMATION SHEET
-btyb - 4ac
2a
A- PI + ni) 4= P(l - ni) A= P(1- i)° A = P(1+i)"

T, =a+(n- 1)d S, =2a+ (n -l)d]


S, = dr-1)
r-1
:r*l S, = ; - l < r l
1-r

F=
i
P= x-(+i)"]
Sa)= lim f(x+ h)- f(x)
h’0

d=x, -,' +(y,-,) M 2 2

y= mX +C y-, =m(x-x) m= m = tan

(s-a} +(y -b)} =r?


a
In AABC:
Sin A Sin B sin C

a' = b' +c'-2bc.cos A

area AABC = ab. sin C


2

sin (a +B) = sin .cos B + cos a.sin B sin (a - B)= sin a.cos ß- cos a.sinß
cos(a +B) =cos a.cos B-sin a.sin ß cos(a - B)= cos a.cos ß + sin a.sin B
cos² a-sin"a
cos20 -2sin'a sin 2a = 2sin a.cos a
2cos a-1

E(«, -
n

nA)
PA) = P(A or B) = P(A) + P(B) P(A and B)
AS)
ý= a+ bx b= -Xy- )

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