huyrey888
huyrey888
11-11-2021
Mathematics
contestada
Nghiệm của Phương trình sĩn= -1
Respuesta :
Vyvove
Vyvove
11-11-2021
Answer:
sinx=−1⇔x=−π2+k.2π,k∈Z ( mà ông người VN đúng không =)))
Step-by-step explanation:
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