Cosine terms-determine the phase angle and overall period

Reference no: EM13312890

Write the solution as two cosine terms u''+49u=5cos(4t), u(0)=0, u'(0)=20 Also, determine the phase angle and overall period.

Please show all steps

Reference no: EM13312890

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Cosine terms-determine the phase angle and overall period : Write the solution as two cosine terms u''+49u=5cos(4t), u(0)=0, u'(0)=20 Also, determine the phase angle and overall period. Please show all steps

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