July 2022 1 13 Report

-Найдите/

[2sin^3(a)-cos(a)]/[cos^3(a)+sin(a)]

 

если tg(a) является одним из корней уравнения 4x^4+9x^2+11x+3=0

 

-Решите систему/

sin(пx-3п/2)<=0

9x-2-2x^2>=x^-1 

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