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How often are rain forecasts at least 6 or 7 days in advance ever correct? Find all θ between 0 and 2π that satisfy the following: tan θ = -2.662 and cos θ > 0.? Find the multiplicative identity of the number which is obtained by dividing additive inverse of -5 by 1? 10.45-9.59? What is the form of the Difference of Squares identity?