Mathematics, 30.01.2020 10:51 younngchy92
Solve cos^2x + 2cosx + 1 = 0 for x over the interval [0, 2pi ). can someone give me a step by step answer. i don't understand at all.
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Solve cos^2x + 2cosx + 1 = 0 for x over the interval [0, 2pi ). can someone give me a step by step...
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