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  1. C

    pre calc trig question?

    it says : tan^-1(tan(π)) = tan^-1 ___ = ___ (i'm supposed to fill in the blanks) or sin^-1(sin(2π/3) = ___ help please!
  2. C

    history question please help!!?

    please describe and summerize what this means! a bill to levy a tax on imported manufactured iron works to protect local iron works manufacturers. for every $100 of manufactured iron works imported into any state from a foreign country, a $10 tax will be collected. why is this a good thing?
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