can someone tell me what the answer for 2 kos60° + tan 45 ° ​

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can someone tell me what the answer for
2 kos60° + tan 45 ° ​

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Vodka 3 years 2021-08-26T13:02:56+00:00 1 Answers 9 views 0

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  1. mit
    0
    2021-08-26T13:04:17+00:00
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    Answer:

    { \tt{2 \cos60 \degree + \tan(45 \degree) }} \\ \\ = 2(0.5) + 1 \\ = 1 + 1 \\ = 2

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