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Use the even odd properties to find the exact value of the expression. It may be helpful to draw the unit circle graph sin(-pi)

  • calculus -

    The even-odd property for sine states that sin(-x) = -sin(x).

    sin(-pi) = -sin(pi)
    The point on the unit circle at pi (or 180 degrees) is (-1, 0). Sine corresponds to the y-value, so sine at that point is 0.

    -sin(pi) = -0 = 0

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