what is the trigonometric ratio for cos n ​

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what is the trigonometric ratio for cos n ​

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Tài Đức 2 months 2021-07-15T17:41:33+00:00 1 Answers 1 views 0

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    2021-07-15T17:42:43+00:00

    Answer: 12/13, i think

    Step-by-step explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )