Nghiệm của Phương trình sĩn= -1

Imaximchuk asked Jul 13, 2022

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Imaximchuk asked Jul 13, 2022

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21 votes

Answer:

sinx=−1⇔x=−π2+k.2π,k∈Z ( mà ông người VN đúng không =)))

Explanation:

Shadmehr Vadoodi answered Jul 18, 2022

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