2022 SQA Nat 5 Mathematics Paper 2: numbers 9 & 10

9. Solve a trigonometric equation involving the sine of an angle. 10. Calculate the size of the reflex angle in a circle given the length of the major arc. Instructional exercise consisting of questions 9 and 10 from the second paper of the 2022 SQA National 5 Mathematics examination. Where appropriate the alternative methods for solving the problem are also given. Set out in stages of 'try then check' the worked solution to each part of the question. Including indications of where each mark is allocated, and the requirements for that mark, according to the marking scheme.