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Mathematics, 24.02.2021 18:50 dorothybean

Explain (be specific) why θ = 5π/6 can or cannot be a correct answer for cos^-1 (- square root 3/ 2)

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Explain (be specific) why θ = 5π/6 can or cannot be a correct answer for cos^-1 (- square root 3/ 2)...
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