计算sin10π-√2cos(-19π/4)-tan(-13π/3)=

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计算sin10π-√2cos(-19π/4)-tan(-13π/3)=
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计算sin10π-√2cos(-19π/4)-tan(-13π/3)=
计算sin10π-√2cos(-19π/4)-tan(-13π/3)=

计算sin10π-√2cos(-19π/4)-tan(-13π/3)=