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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 9: `Sin(x)=0,3` `tan(x)=12` Giúp ak

Toán Lớp 9: Sin(x)=0,3
tan(x)=12
Giúp ak

Comments ( 2 )

  1. Bạn kham khảo
    sin(x)=0,3=>x≈17^0 27′
    tan(x)=12=>x≈85^0 14′

  2. sinx=0,3 => x ≈17^o 27′
    tanx=12 => x ≈85^o 14′
    __
    Shift -> sin/tan -> nhập x -> =

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222-9+11+12:2*14+14 = ? ( )