Double angle formulae - Study guides, Revision notes & Summaries

Pure Mathematics This document includes summaries of key mathematical concepts and thought-out examples with corrections made where necessary A* achieved using these notes in 2022 exams Relevant to the Edexcel exam board • Trigonometric proof • Inverse trigonometric functions • Additional formula • Double angle formulae • Several examples

AQA GCSE MATHEMATICS 8300/1H Higher Tier Paper 1 Non-Calculator Version: Final 1.0 *jun2383001H01* IB/M/Jun23/E8 8300/1H For Examiner’s Use Pages Mark 2–3 4–5 6–7 8–9 10–11 12–13 14–15 16–17 18–19 20–21 22–23 TOTAL Friday 19 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • mathematical instruments • the Formulae Sheet (enclosed). You must not use a calculator. Instructions • Use black ink or b...

AQA GCSE MATHEMATICS 8300/1H Higher Tier Paper 1 Non-Calculator Version: Final 1.0 *jun2383001H01* IB/M/Jun23/E8 8300/1H For Examiner’s Use Pages Mark 2–3 4–5 6–7 8–9 10–11 12–13 14–15 16–17 18–19 20–21 22–23 TOTAL Friday 19 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • mathematical instruments • the Formulae Sheet (enclosed). You must not use a calculator. Instructions • Use black ink or b...

A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2023 Version: 1.0 Final AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2023, Exams for Chemistry *206A74051/MS* AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2022, Exams for Chemistry Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teach...

AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2023 Exams for Chemistry Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation process ensures that the mark scheme covers the...

A-level CHEMISTRY 7405/3 Paper 3 Mark scheme June 2024 Version: 1.0 Final *246A7405/3/MS* Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisat...

AQA A-LEVEL Chemistry 7405/1 Paper 1 Mark Scheme AS and A-Level Chemistry Mark Scheme Instructions for Examiners 1. General The mark scheme for each question shows: • the marks available for each part of the question • the total marks available for the question • the typical answer or answers which are expected • extra information to help the examiner make his or her judgement and help to delineate what is acceptable or not worthy of credit or, in discursive answers, to give a...

AS and A-Level Chemistry Mark Scheme Instructions for Examiners 1. General The mark scheme for each question shows: • the marks available for each part of the question • the total marks available for the question • the typical answer or answers which are expected • extra information to help the examiner make his or her judgement and help to delineate what is acceptable or not worthy of credit or, in discursive answers, to give an overview of the area in which a mark or marks may b...

Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation process ensures that the mark scheme covers the students’ responses to questions and that every associate understands and applies it in the same correct way. As ...

GCSE BIOLOGY 8461/2H Paper 2 Higher Tier Mark scheme Version: 1.0 Final Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examinat...