1/2(cos3x-п/3) √2/4 решить неравенство - вопрос №2164125123324 от diduhalinamal 12.12.2022 18:27

Question

Математика: 1/2(cos3x-п/3) √2/4 решить неравенство

diduhalinamal · Answer

Cos(3x-π/3) √2/4:1/2cos(3x-π/3) √2/4*2cos(3x-π/3) √2/2-π/4+2πn 3x-π/3 π/4+2πn-π/4+π/3+2πn 3x π/4+π/3+2πnπ/12+2πn 3x 7π/12+2πnπ/36+2πn/3 x 7π/36+2πn/3ответ х∈(π/36+2πn/3;7π/36+2πn/3)...

1/2(cos3x-п/3)> √2/4 решить неравенство