Алгебра уравнение ... Created by davidvica. algebra-ru

Алгебра уравнение...

davidvica @davidvica

July 2022 1 10 Report

Алгебра уравнение ..

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AnonimusPro

Verified answer

-4(1-sin^2x)+1+11sinx=0;
sinx=u;
-4(1-u^2)+1+11u=0;
4u^2+11u-3=0;
D=169; u1=-3; u2=1/4;
sinx=-3; x=arcsin(-3)- не входит в одз
sinx=1/4; x=arcsin(1/4)+2pi*n
Ответ: x=arcsin(1/4)+2pi*n

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