Предмет: Математика, автор: Grum

sin4/5x=√2/2 помогите пожалуйста

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Автор ответа: sedinalana

0

Sin4/5x=√2/2
4x/5=π/4+2πk U 4x/5=3π/4+2πk
x=5π/16+5πk/2 U x=15π/16+5πk/2,k∈z

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