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Solve sin theta=-1 for all real values of theta

  • Math -

    look at a standard sine cureve
    sin 270 = -1
    so for sin(theta) = -1, theta = 270º or 3pi/4 radians

    a general solution would be
    theta = (270 + 360k)º where k is any integer
    or in radians,
    theta = 3pi/4 + 2kpi

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