GRADE 12: STANDARDISATION PROJECT: MATHEMATICS: PAPER I – INFORMATION SHEET Page i of ii INFORMATION SHEET x –b b 2 – 4ac 2a n n n (n 1) 2 1 n i Tn a (n 1)d Sn n 2a (n 1)d 2 S a ; 1 r 1 1 r i 1 Tn ar i 1 a (r n 1) Sn ; r1 r 1 n 1 f x lim h0 f x h f x h A P 1 n i A P 1 n i A P 1 i n A P 1 i n 1 i n 1 F x i 1 1 i n P x i d y y2 x x2 M 1 ; 1 2 2 ( x 2 – x1 ) 2 ( y 2 – y1 ) 2 y mx c m y 2 – y1 x 2 – x1 y – y1 m ( x – x1 ) m tan ( x – a ) 2 ( y – b) 2 r 2 IEB Copyright © 2014 PLEASE TURN OVER GRADE 12: STANDARDISATION PROJECT: MATHEMATICS: PAPER I – INFORMATION SHEET In ABC : Page ii of ii a b c sin A sin B sin C a 2 b 2 c 2 – 2 b c . cos A area ABC 1 a b . sin C 2 sin ( ) sin . cos cos . sin sin ( – ) sin . cos – cos . sin cos ( ) cos . cos – sin . sin cos ( – ) cos . cos sin . sin cos 2 sin 2 cos 2 1 2 sin 2 2 2 cos 1 sin 2 2 sin . cos n fx x n P ( A) 2 n ( A) n (S ) ŷ a bx IEB Copyright © 2014 ( xi x ) 2 i 1 n P ( A or B) P ( A) P ( B) – P ( A and B) b (x x ) ( y y) 2 (x x )