EasyPhysicsplane angle
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Which of the following is correct for small angles (θ in radians)?
A
sin θ ≈ θ
B
sin θ ≈ 1
C
cos θ ≈ 0
D
tan θ ≈ 1/θ
Explanation
Small angle approximation: when θ << 1 rad, sin θ ≈ θ and cos θ ≈ 1.
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