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Math (Trig)

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What does sec^2(-2) equal? Can you explain why?

  • Math (Trig) - ,

    You want 1/cos^2 (-2)

    i.e. you want the cosine of -2 radians, then square that result, and finally divide 1 by that.

    I got 5.7744

  • Math (Trig) - ,

    sec (-2radian)=-2.40 by calculator
    square that, and you get...

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