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Estudos Gerais06/21/2024

8) Em cada item, escreva a quais quadrantes pode pertencer a...

  1. Em cada item, escreva a quais quadrantes pode pertencer a extremidade final do arco de medida: a) senα=310\operatorname{sen} \alpha=-\frac{3}{10} b) cosα=45\cos \alpha=\frac{4}{5} c) senα=12\operatorname{sen} \alpha=\frac{1}{2} d) cosα=27\cos \alpha=-\frac{2}{7}

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