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3 years ago

14

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

1 answer:

Tcecarenko [31]3 years ago

5 0

Answer:

yes

Explanation:

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