Suppose S(x) = 1 2 (ex ex) and C(x) = 1 2 (ex + ex). a Show that [C(x)]2 [S(x)]2 = 1. b
Chapter 25, Problem 54(choose chapter or problem)
Suppose S(x) = 1 2 (ex ex) and C(x) = 1 2 (ex + ex). a Show that [C(x)]2 [S(x)]2 = 1. b Show that d dx [S(x)] = C(x). c Find d dx [C(x)] in terms of S(x). d If T(x) = S(x) C(x) , find d dx [T(x)] in terms of C(x).
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