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Mathematics
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Edexcel A Level Mathematics
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Pure Mathematics
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Small Angle Approximations
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What is the
Small
Angle
Approximation
for
sin
θ
?
\large\text{What is the}\\ \text{\textbf{Small Angle Approximation} for}\\ \ \\ \sin\theta?
What is the
Small Angle Approximation
for
sin
θ
?
sin
θ
≈
θ
\large\sin\theta\approx\theta
sin
θ
≈
θ
What is the
Small
Angle
Approximation
for
cos
θ
?
\large\text{What is the}\\ \text{\textbf{Small Angle Approximation} for}\\ \ \\ \cos\theta?
What is the
Small Angle Approximation
for
cos
θ
?
cos
θ
≈
1
−
θ
2
2
\large\cos\theta\approx1-\frac{\theta^2}{2}
cos
θ
≈
1
−
2
θ
2
What is the
Small
Angle
Approximation
for
tan
θ
?
\large\text{What is the}\\ \text{\textbf{Small Angle Approximation} for}\\ \ \\ \tan\theta?
What is the
Small Angle Approximation
for
tan
θ
?
tan
θ
≈
θ
\large\tan\theta\approx\theta
tan
θ
≈
θ
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