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Unformatted text preview: B cos( αt ) can be written as R sin( αt + δ ), where R = √ A 2 + B 2 , cos δ = A/R, and sin δ = B/R. Both trigonometric conditions are needed to completely determine δ . HOMEWORK: SECTION 3.3...
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This note was uploaded on 05/19/2010 for the course M 427K taught by Professor Fonken during the Spring '08 term at University of Texas.
 Spring '08
 Fonken
 Differential Equations, Equations

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