4. Graphing Trigonometric Functions
Graphs of the Sine and Cosine Functions
Problem 4.8b
Textbook Question
Textbook QuestionFill in the blank(s) to correctly complete each sentence.
The graph of y = -2 + 3 cos (x - π/6) is obtained by shifting the graph of y = cos x horizontally ________ unit(s) to the __________, (right/left) stretching it vertically by a factor of ________, and then shifting it vertically ________ unit(s) __________. (up/down)
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