Alevel_C1C2
Alevel_C1C2
Alevel_C1C2
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4.<br />
1<br />
y<br />
y = cos x<br />
B3<br />
–1<br />
O<br />
p<br />
2<br />
y = –cos x<br />
p<br />
3p<br />
2<br />
2p<br />
x<br />
B2<br />
Reflection in the x-axis<br />
B1<br />
6<br />
5.<br />
288º<br />
O<br />
A<br />
B<br />
arc = rq c<br />
A1<br />
288° º 5.027 c ,<br />
r = 17 . 8 = 3.54 cm M1 A1<br />
5.<br />
027<br />
Area = 1 2 ´ (3.54)2 ´ 5.027 = 31.5 cm 2<br />
M1 A1ft<br />
5<br />
© Oxford University Press 2008<br />
Core C2
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