Matemática, perguntado por lucasjacobms, 6 meses atrás

Um arco x pertence ao 2° quadrante e tem sen x = 3/5, então cosx é igual a: *


juanbrendocorreiacab: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiBxryHptjwAhWOlJUCHTEZCd8QFjABegQIAhAD&url=https%3A%2F%2Fbrainly.com.br%2Ftarefa%2F22963323&usg=AOvVaw1uEWdLcbx5BLL7GpdS12Oj&cshid=1621515278366080

Soluções para a tarefa

Respondido por juanbrendocorreiacab
0

Resposta:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiBxryHptjwAhWOlJUCHTEZCd8QFjABegQIAhAD&url=https%3A%2F%2Fbrainly.com.br%2Ftarefa%2F22963323&usg=AOvVaw1uEWdLcbx5BLL7GpdS12Oj&cshid=1621515278366080

Explicação passo-a-passo:

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiBxryHptjwAhWOlJUCHTEZCd8QFjABegQIAhAD&url=https%3A%2F%2Fbrainly.com.br%2Ftarefa%2F22963323&usg=AOvVaw1uEWdLcbx5BLL7GpdS12Oj&cshid=1621515278366080

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