4. Graphing Trigonometric Functions
Graphs of the Sine and Cosine Functions
6:35 minutes
Problem 82
Textbook Question
Textbook QuestionIn Exercises 79–82, graph f, g, and h in the same rectangular coordinate system for 0 ≤ x ≤ 2π. Obtain the graph of h by adding or subtracting the corresponding y-coordinates on the graphs of f and g. f(x) = cos x, g(x) = sin 2x, h(x) = (f − g)(x)
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