siutulysr5

Answered

2022-01-26

Given $y=A\mathrm{cos}\left(kt\right)+B\mathrm{sin}\left(kt\right)$ where A,B,k are constants, prove that ${y}^{\left(2\right)}+\left({k}^{2}\right)y=0$

There was a silly typo,$y}^{n$ is actually y′′

There was a silly typo,

Answer & Explanation

Amina Hall

Expert

2022-01-27Added 11 answers

may be the derivatives of

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