diff eqn.

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y(t) = -0.2451 cos 4t + 0.9804 sin 4t + e^(-3t ) (A cos⁡〖t+B〗 sin⁡〖t)〗

y'(t) = ?

  • diff eqn. -

    You are not being asked to solve a differential equation. You only have to take the derivative of the y(t) function you are given.

    Just add the derivatives of the three separate terms.

    The derivative of
    -0.2451 cos(4t)
    is
    0.9804 sin(4t)

    Your third term is illegible.

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