Câu 29. Trong các hàm số sau, hàm số nào là hàm số chẵn? A. 2cos sin 2 . 2 y x x B. sin sin . 4 4 y x x C. 2 sin sin . 4 y x x D. y x

asked Oct 23, 2022 67.6k views

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by Tvd

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1 vote

Answer:

yes

Step-by-step explanation:

Saurabh Manchanda answered Oct 29, 2022

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