etc) (b)
show dot product is zeroPaper 1 (non- calculator)
1 3y + 2x = 1
2 k = 1/4
3 (a) yes (since eg etc) (b)
show dot product is zero
4 (x +1)2 - 9
5 (a)
x = 30, 90, 150
(b) P(150, 
)
6 x = 9
7 (a) i
sin(x + 
) ii
cos(x + ) (b) i proof ii x =
or 
8 x = 81
9 
10 (a) a = 1 (b) b = 3 (c) 
11 (a)
i proof
ii show sum of
radii = distance between centres (b) y = x + 5
(c) 2 ± 2
3
Paper 2 (calculator)
1 (a) k = -5 (b) x = -2, 1/2 , 1
2 y = 2x - 12
3 (a) 
(b) on 1st Dec he pays £290.68
4 71.5 degrees
5 10 cos(x + 36.9)
6 
7 (a) x = 7 (b) 2y + 3x = 23 (c) (7, 1) (d) (x-7)2 + (y-1)2 = 26
8 40.5
9 k = 0.462
10 
11 (a) proof (b) p = 2