Selected: Edexcel A Level Maths - Pure Maths
AS & A2 (Whole Course) - All Questions - Casio fx-991EX
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AS & A2 (Whole Course) - All Questions - Casio fx-991EX
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Explore small angle approximations
Small Angle Approximations with Radians
For small θ, measured in radians:
This display allows you to zoom in on these approximations.
| $\large { \color{blue}{ \sin \theta } \approx \color{green}{ \theta } }$ | $\Large { \color{blue}{ \cos \theta } \approx \color{green}{ 1 - { { { \theta ^ 2 } } \over 2 } } }$ | $\large { \color{blue}{ \tan \theta } \approx \color{green}{ \theta } }$ |
This display allows you to zoom in on these approximations.