
Помогите решить
1. 7^(1/3)*49^(1/3)
2. 25/(sin(-25Π/4)cos(25Π/4))

7^(1/3)*49^(1/3)=
=7^(1/3)*(7^2)^(1/3)=
=(7^3)^(1/3)=7
Оцени ответ