Mathematics · May / June 2023 · Paper 41 · Question 4
0580
As printed in the paper
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4(a)(i)[2]
96 [2]
M1 for 1 2 × × 24 8
4(a)(ii)[2]
18.4 or 18.43... [2]
M1 for [] 8 x = tan oe 24
4(b)[2]
622 or 622.0 to 622.1.... [2]
M1 for 1 1 2×π× × 2 ×π× × [ ] 6 2 11 or 6 [ 11] 2
4(c)(i)[5]
246 or 246.2 to 246.3... [5]
M4 for 270 × −× − ×π× 2 15 20 4 4 4 oe 360 OR 270 360 ×π× 2
M2 for 4 oe × π × 2 ≤
or M1 for k 4 , where k 1 M1 for15 × or 4 × 4 oe 20
4(c)(ii)[3]
80.8 or 80.9 or 80.84 to 80.85... [3]
+ + +
M1 for 15 20 11 16 oe
M1 for 3 4 ××π× 2 4 oe
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