might be seen, but is not necessary to award the mark. (4) 7b Uses the maths from part a to deduce that A1 3.4 7th Solve problems Recognises that the maximum temperature occurs when M1 3.4 involving acosx + bsinx. Solves this equation to find M1 1.1b = 15.81 hours 1.1b A1 x (4) 7c Deduces that M1 3.4 8th Use trigonometric Begins to solve the equation. For example, is seen. M1 1.1b functions and identities to States that Further values may be seen, but are not necessary in 1.1b M1 problems in a order to award the mark. range of unfamiliar Finds that = 2.65 hours, 10.13 hours, 21.50 hours A1 1.1b x contexts. (4) (12 marks) Notes
might be seen, but is not necessary to award the mark. (4) 7b Uses the maths from part a to deduce that A1 3.4 7th Solve problems involving acosx + bsinx. Recognises that the maximum temperature occurs when M1 3.4 Solves this equation to find M1 1.1b x = 15.81 hours A1 1.1b (4) 7c Deduces that M1 3.4 8th Use trigonometric functions and identities to problems in a range of unfamiliar contexts. Begins to solve the equation. For example, is seen. M1 1.1b States that Further values may be seen, but are not necessary in order to award the mark. M1 1.1b Finds that x = 2.65 hours, 10.13 hours, 21.50 hours A1 1.1b (4) (12 marks) Notes
al_maths_pure_unit_6_ms.docx