Question: Show that f is continuous on (-, ). |sin x if x < /4 [ sin f(x) = cos x if x > /4 %3D

Show that f is continuous on (-∞, ∞).

|sin x if x < /4 [ sin f(x) = cos x if x > /4 %3D >T/4

|sin x if x < /4 [ sin f(x) = cos x if x > /4 %3D >T/4

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