Mathematics · May / June 2023 · Paper 22 · Question 21
0580
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The question as text
Solve the equation sinx 5 3 = - for ° ° x 0 360 G G . [3] Questions 22 and 23 are printed on the next page.
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216.9 or 216.86 to 216.87 323.1 or 323.13… [3]
B2 for one correct angle 3 −
or M1 for sinx = or better 5 If M1 or 0 scored
SC1 for two reflex angles with a sum of 540 or two non-reflex angles with a sum of 180
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