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10 cards from this deck
Radians
sinθ≈θ\sin \theta \approx \thetasinθ≈θ
cosθ≈1−θ22\cos \theta \approx 1 - \frac{\theta^2}{2}cosθ≈1−2θ2
tanθ≈θ\tan \theta \approx \thetatanθ≈θ
Taylor series expansions
Become negligible
Pendulum motion
111
sinθcosθ≈θ1=θ\frac{\sin \theta}{\cos \theta} \approx \frac{\theta}{1} = \thetacosθsinθ≈1θ=θ
Cosine graph is nearly flat near θ=0\theta = 0θ=0
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