Решить неравенства: 1. 2sin2x>-√2 2. cosπx>1/2. Created by alievmax. algebra-ru

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October 2021 1 16 Report

Решить неравенства:
1. 2sin2x>-√2
2. cosπx>1/2

Answers & Comments

Аксауле1 1)2sin2x>-корень2
2/2sin2x>-корень2/2
sin2x>-корень2/2
arcsin-корень2/2+2Пk(-П/6+Пk;5П/8+Пk)
2)cosПх>1/2
-arccos1/2+2Пk<П(-П/3+2П/П:П/3+2П/П)

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s 1 kater peremeshaetsya iz puknta a po techeniyu reki na rasstoyanie 700 m i vozvra

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alievmax July 2022 | 0 Ответы

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s 1 kater peremeshaetsya iz puknta a po techeniyu reki na rasstoyanie 700 m i vozvra

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