Prealgebra Archive: Questions from April 13, 2023
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solo necesito estos, gracias
2. Waribque la kipuimtes idcutidides (s) \( \cot x-\tan z=\frac{2 \cos ^{2}(x)-1}{\operatorname{sen} x \cos z} \) (b) \( 2 \operatorname{coc}^{2} y=\frac{1}{1-\cos ^{y}}+\frac{1}{1+\cos y} \) (c) \( \2 answers -
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