(a) Evaluate A in the scalar equality 4 (7 1 3) 5 A.(b) Evaluate A, B, and C in the
Chapter 16, Problem 42(choose chapter or problem)
(a) Evaluate A in the scalar equality 4 (7 1 3) 5 A.(b) Evaluate A, B, and C in the vector equality700 i^ 1 3.00 k^ 5 A i^ 1 B j^ 1 C k^ . (c) Explain how youarrive at the answers to convince a student who thinksthat you cannot solve a single equation for three differentunknowns. (d) What If? The functional equality oridentityA 1 B cos (Cx 1 Dt 1 E) 5 7.00 cos (3x 1 4t 1 2)is true for all values of the variables x and t, measuredin meters and in seconds, respectively. Evaluate theconstants A, B, C, D, and E. (e) Explain how you arriveat your answers to part (d).
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