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10 questions from this quiz
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
Radians
sinθ≈θ\sin \theta \approx \thetasinθ≈θ and cosθ≈1\cos \theta \approx 1cosθ≈1
Higher-order terms like θ36\frac{\theta^3}{6}6θ3
Pendulum motion
0.10.10.1
111
θ22\frac{\theta^2}{2}2θ2
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