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Home > INT3 > Chapter 9 > Lesson 9.2.1 > Problem 9-102

9-102.

Should y = sin(x) and y = cos(x) both be parent functions, or is one the parent of the other? Give reasons for your decision. Homework Help ✎

Notice that the sine curve could be shifted horizontally to match the cosine curve, or vice-versa.
What is the horizontal shift?