Question: Let (x) = sin x + cos x. (a) Graph y = (x). Describe the graph. (b) Use the graph to identify the amplitude, period,

Let ∫(x) = sin x + cos x.
(a) Graph y = ∫(x). Describe the graph.
(b) Use the graph to identify the amplitude, period, horizontal shift, and vertical shift.
(c) Use the formula

for the sine of the sum of two angles to confirm your answers

sin a cos 3 + cos a sin B = sin (a + B)

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a The graph of y x sin x cos x is the sum of the graphs of y sin x and y cos x The graph of y sin x ... View full answer

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