Question: The differential equation s(t) = -B 2 s(t) approximately describes the motion of a pendulum, known as simple harmonic motion. Verify that s(t) = A

The differential equation s″(t) = -B²s(t) approximately describes the motion of a pendulum, known as simple harmonic motion. Verify that s(t) = A cos(Bt + C) satisfies this differential equation.

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