求定义域 (1)y=根号下log2(sinx+1/2) (2)y=tan(x-π/3)
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求定义域 (1)y=根号下log2(sinx+1/2) (2)y=tan(x-π/3)
求定义域 (1)y=根号下log2(sinx+1/2) (2)y=tan(x-π/3)
求定义域 (1)y=根号下log2(sinx+1/2) (2)y=tan(x-π/3)
lim (3x-4x+2)=
x-1