04:26
Number of Sides N=(S/π)+2 When Given the Sum of the Interior Angles of a Regular Polygon
Mathematics Proofs - GCSE & A Level
Shared 14/10/2022
08:23
The Inverse Pythagorean Theorem (Geometrical / Algebraic Proof)
Mathematics Proofs - GCSE & A Level
Shared 15/12/2020
05:40
An Alternative Way to Show That cos(θ-Φ)=cosθcosΦ+sinθsinΦ
Mathematics Proofs - GCSE & A Level
Shared 03/09/2023
08:36
P(A'UB)=P(A')+P(A∩B) [Probability Theory Proof]
Mathematics Proofs - GCSE & A Level
Shared 29/03/2021
02:29
How to show that (1-cosθ)^2+(tanθ-sinθ)^2=(secθ-1)^2 geometrically
Mathematics Proofs - GCSE & A Level
Shared 15/03/2022
08:06
How to Derive the Rotation Matrix Formulas Geometrically [Euclidean Space]
Mathematics Proofs - GCSE & A Level
Shared 20/01/2022
02:42
a≡b(modm), b≡c(modm) so a≡c(modm) - Modular Congruence Proof - Further Pure Mathematics 2
Mathematics Proofs - GCSE & A Level
Shared 18/10/2023
03
x≡a(modm), y≡b(modm) so xy≡(ab)(modm) Modular Congruence Proof - Further Pure Mathematics 2
Mathematics Proofs - GCSE & A Level
Shared 17/10/2023
02:59
x≡a(modm), y≡b(modm) so x+y≡(a+b)(modm) Modular Congruence Proof - Further Pure Mathematics 2
Mathematics Proofs - GCSE & A Level
Shared 16/10/2023
05:14
Circle Theorem Proof (FP2): The angle in a semi-circle is a right angle
Mathematics Proofs - GCSE & A Level
Shared 02/10/2020
06:03
Circle Theorem Proof (FP2): Angles subtended at an arc in the same segment are equal
Mathematics Proofs - GCSE & A Level
Shared 03/10/2020
08:53
Circle Theorem Proof (FP2): Angle subtended at centre of circle is twice angle at circumference
Mathematics Proofs - GCSE & A Level
Shared 01/10/2020
05:23
How to prove that the geometric series 1/2 + 1/4 + 1/8 + ... converges to 1.
Mathematics Proofs - GCSE & A Level
Shared 03/08/2020
07:51
The formula of the Surface Area of a Right Circular Cone [Mathematical Proof]
Mathematics Proofs - GCSE & A Level
Shared 02/08/2020
03:28
1/[r(r+1)] ≡ [1/r]-[1/(r+1)] Verification [Further Pure Mathematics 2, Series]
Mathematics Proofs - GCSE & A Level
Shared 05/11/2019
05:54
How to prove that the sum of all odd numbers up to n terms is equal to n squared
Mathematics Proofs - GCSE & A Level
Shared 26/10/2019
21:35
When you square all the natural numbers you get (n/6)*(n+1)(2n+1) [Visual / Geometric Proof] Part 2
Mathematics Proofs - GCSE & A Level
Shared 14/10/2019
23:41
S_n=(n/2)*[2a+(n-1)d] Full STEP by STEP Comprehensive Proof (Arithmetic Series, C1 Mathematics)
Mathematics Proofs - GCSE & A Level
Shared 06/10/2019
14:10
Geometrical / Algebraic Proof :: Area of an Equilateral Triangle is A=(1/4)*a^2*√3
Mathematics Proofs - GCSE & A Level
Shared 28/09/2019
23:27
|z_1/z_2| = |z_1|/|z_2| Proof [Further Pure Mathematics, Imaginary & Complex Numbers / Equations]
Mathematics Proofs - GCSE & A Level
Shared 27/09/2019
05:37
|z_1*z_2|=|z_1|*|z_2| [Algebraic Proof, Further Pure Mathematics - Complex Numbers]
Mathematics Proofs - GCSE & A Level
Shared 27/08/2018
01:45
(a-b)/(b-a)=(-1) [Algebraic Proof, When (b-a)≠0]
Mathematics Proofs - GCSE & A Level
Shared 27/08/2018