Find the general solution of x'=(-cos t, sin t). ( this is 2×1 matrix with -cos t on top, sin t on bottom.)

Please use the method of undetermined coefficients.

Find the general solution of x'=(-cos t, sin t). ( this is 2×1 matrix with -cos t on top, sin t on bottom.)

Please use the method of undetermined coefficients.

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Woodland Hills, CA

Question is not clear. It should be determinant:

l Cost - sint l = cos^{2 }- (-sint) (sint) = cos^{2 }+ sin^{2 }t =1

l cost sint l

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