Question

Решите тригонометрическое неравенство​

Answer 1

sin(п/3+x)>1/2

sinП/6=sin5/6п=1/2

П/6+2Пk<2П/6+x<5п/6+2Пk

-П/6+2Пk<x<3П/6+2Пk

-П/6+2Пk<x<П/2+2Пk

Answer 2

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