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Edexcel A Level

Small Angle Approximations

Edexcel 9MA0/02 Jun 2024 A2 Exam Q. 5 :   3 marks in 3:36 min.
Edexcel 9MA0/01 Jan 2024 A2 Mock Q. 3 :   4 marks in 4:48 min.
Edexcel 9MA0/01 Jun 2023 A2 Exam Q. 4 :   5 marks in 6:00 min.
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Edexcel 9MA0/02 Jan 2023 A2 Mock Q. 5 :   3 marks in 3:36 min.
Edexcel 9MA0/02 Nov 2021 A2 Exam Q. 4 :   3 marks in 3:36 min.
Edexcel 9MA0/01 Jun 2019 A2 Exam Q. 2 :   5 marks in 6:00 min.
Edexcel 9MA0/01 Jun 2019 A2 Shadow Exam Q. 2 :   5 marks in 6:00 min.
Edexcel 9MA0/02 Jan 2019 A2 Mock Q. 1 :   4 marks in 4:48 min.
Edexcel 9MA0/01 Jun 2018 A2 Exam Q. 1 :   3 marks in 3:36 min.
Edexcel 9MA0/02 May 2018 A2 Mock Q. 2 :   5 marks in 6:00 min.
Explore small angle approximations
Small Angle Approximations with Radians
For small θ, measured in radians:
$\large { \color{blue}{ \sin \theta } \approx \color{green}{ \theta } }$ $\Large { \color{blue}{ \cos \theta } \approx \color{green}{ 1 - { { { \theta ^ 2 } } \over 2 } } }$ $\large { \color{blue}{ \tan \theta } \approx \color{green}{ \theta } }$

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