- Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about ? On this page you'll find 13 study documents about .
13 results
Exam (elaborations)
Edexcel A level maths exam with correct answers
integrate sinx 
-cosx + c 
 
 
 
integrate cosx 
sinx + c 
 
 
 
integrate sec^2 x 
tanx + c 
 
 
 
integrate cosecxcotx 
-cosecx + c 
 
 
 
integrate cosec^2x 
-cotx + c 
 
 
 
integrate secxtanx 
secx + c 
 
 
 
cot^2 x 
cosec^2 x- 1 
 
 
 
tan^2 x 
sec^2 x - 1 
 
 
 
sin^2 x 
1 - cos^2 x 
 
 
 
sin^2 x 
1-cos2x/2 
 
 
 
cos^2 x 
1+cos2x/2 
 
 
 
1/x 
ln IxI + C 
 
 
 
Differentiate sin x 
cos x 
 
 
 
Differentiate tan x 
sec² x
Exam (elaborations)
Edexcel A-Level Maths Pure Year 2|2023 LATEST UPDATE|GUARANTEED SUCCESS
PopularContradiction 
A contradiction is a disagreement between two statements, which means that both cannot be true. Proof by contradiction is a powerful technique. 
 
 
 
Proof by contradiction 
To prove a statement by contradiction you start by assuming it is not true. You then use logical steps to show that this assumption leads to something impossible (either a contradiction of the assumption, or a contradiction of a fact you know to be true). You can conclude that your assumption was incorrect an...
Exam (elaborations)
Edexcel A Level Maths Complete Exam 
Study Questions with 100% Correct 
Answers | Latest Edition
NewEdexcel A Level Maths Complete Exam 
Study Questions with 100% Correct 
Answers | Latest Edition 
1. Quadratic formula - ANSWER x = -b ± √(b² - 4ac)/2a 
2. Volume of a cone - ANSWER V=1/3πr²h 
3. Surface area of a cone - ANSWER SA=πrl+πr² 
4. (l=slant height) 
5. Volume of a sphere - ANSWER V=4/3πr³ 
6. 1 + tan²x = - ANSWER sec²x 
7. 1 + cot²x = - ANSWER cosec²x 
8. sin(A + B) = - ANSWER sinAcosB + cosAsinB 
9. cos(A + B) = - ANSWER cosAcosB - sinAsinB 
10. tan...
Exam (elaborations)
Edexcel A Level Maths questions and correct answer
Edexcel A Level Maths questions and correct answer
Exam (elaborations)
Edexcel A Level Maths- Statistics Questions & Answers 22024/2025
Edexcel A Level Maths- Statistics Questions & Answers 22024/2025 
Linear Regression - ANS-y = axⁿ 
 
logy = loga + nlogx 
 
Exponential Regression - ANS-y = ab^x 
 
logy = loga + xlogb 
 
Normal Approximation - ANS-µ = np 
 
σ =√(np(1-p)) 
 
Mean - ANS-∑x ÷ n 
 
GF: ∑xf ÷ ∑f 
 
Variance - ANS-(∑x²/n) - (∑x/n)² 
 
Standard Deviation - ANS-√variance 
 
Histograms: Height - ANS-Area = k x frequency 
 
Frequency Density - ANS-frequency ÷ class width 
 
Population - ANS-Whole...
Exam (elaborations)
Edexcel A Level Maths – Statistics QUESTIONS AND CORRECT ANSWERS
Edexcel A Level Maths – Statistics QUESTIONS AND CORRECT ANSWERS 
 
Linear Regression - Answer y = axⁿ 
 
logy = loga + nlogx 
 
Exponential Regression - Answer y = ab^x 
 
logy = loga + xlogb 
 
Normal Approximation - Answer µ = np 
 
σ =√(np(1-p)) 
 
Mean - Answer ∑x ÷ n 
 
GF: ∑xf ÷ ∑f 
 
Variance - Answer (∑x²/n) - (∑x/n)² 
 
Standard Deviation - Answer √variance 
 
Histograms: Height - Answer Area = k x frequency 
 
Frequency Density - Answer frequency ÷ c...
Exam (elaborations)
Edexcel A Level Maths Exams Question And Answers 2024/2025
Edexcel A Level Maths Exams Question And Answers 2024/2025
Exam (elaborations)
Edexcel A Level Maths Question With 100% Correct Answers.
Edexcel A Level Maths Question With 100% Correct Answers.
Exam (elaborations)
Edexcel A Level Maths All Answers Correct
Edexcel A Level Maths All Answers Correct 
1 + tan2θ ️= sec2θ 
cot2θ + 1 = cosec2θ ️= cosec2θ 
Sin2θ ️2sinθcosθ 
Cos2θ ️cos²θ-sin²θ 
2cos²θ-1 
1-2sin²θ 
Tan2θ ️2tanθ / (1 - tan²θ) 
How do you write a rational number in a proof? ️a/b 
What does y=|f(x)| do? ️Reflects values below the x-axis in the x-axis 
What does y=f(|x|) do? ️Reflects values of x≥0 in the y-axis 
Arithmetic sequence formula ️a₁+(n-1)d 
Geometric sequence formula ️uₙ = ...
Exam (elaborations)
Edexcel A Level Maths|2023 Latest Update|Guaranteed Success
1 + tan2θ 
= sec2θ 
 
 
 
cot2θ + 1 = cosec2θ 
= cosec2θ 
 
 
 
Sin2θ 
2sinθcosθ 
 
 
 
Cos2θ 
cos²θ-sin²θ 
2cos²θ-1 
1-2sin²θ 
 
 
 
Tan2θ 
2tanθ / (1 - tan²θ) 
 
 
 
How do you write a rational number in a proof? 
a/b 
 
 
 
What does y=|f(x)| do? 
Reflects values below the x-axis in the x-axis 
 
 
 
What does y=f(|x|) do? 
Reflects values of x≥0 in the y-axis 
 
 
 
Arithmetic sequence formula 
a₁+(n-1)d 
 
 
 
Geometric sequence formula 
uₙ = arⁿ⁻¹ 
 
 
 
Con...
Exam (elaborations)
Edexcel A-level Maths D1 Decision Definitions
Edexcel A-level Maths D1 Decision Definitions Graph points (vertices or nodes) connected by lines (edges or arcs) 
subgraph A subgraph of G is a graph, each of whose vertices belongs to G and each of whose edges belongs to G 
weighted graph or network number/weight associated with each edge 
degree or valency the number of edges incident to a vertex. 
path a finite sequence of edges, such that the end vertex of one edge in the sequence is the start vertex of the next, and in which no vertex appe...
Exam (elaborations)
Edexcel A level maths questions and answers 100% pass
Edexcel A level maths questions and answers 100% pass 
integrate sinx -cosx + c 
integrate cosx sinx + c 
integrate sec^2 x tanx + c 
integrate cosecxcotx -cosecx + c 
integrate cosec^2x -cotx + c 
integrate secxtanx secx + c 
cot^2 x 
cosec^2 x- 1 
tan^2 x 
sec^2 x - 1 
sin^2 x 
1 - cos^2 x 
sin^2 x 
1-cos2x/2 
cos^2 x 
1+cos2x/2 
1/x 
ln IxI + C 
Differentiate sin x 
cos x 
Differentiate tan x 
sec² x 
Differentiate cot x 
- cosec² x 
Differentiate sec x 
sec x tan x 
Differentiate cos x 
- ...
Exam (elaborations)
Edexcel A Level Maths Latest 2023 Rated A
Edexcel A Level Maths Latest 2023 Rated A d/dx(sinx) cosx 
d/dx(cosx) -sinx 
d/dx(tanx) sec²x 
d/dx(cotx) -cosec²x 
d/dx(secx) secxtanx 
d/dx(cosecx) -cosecxcotx 
d/dx(ln(ƒ(x))) (f'(x))/(f(x))