Помогите!!!! cosx+sinx> [tex] \sqrt{3 } /2[/tex]. Created by LadyDi5. matematika-ru

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LadyDi5 @LadyDi5

August 2022 1 7 Report

Помогите!!!!
cosx+sinx> [tex] \sqrt{3 } /2[/tex]

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sedinalana

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Sin(π/2-x)+sinx>√3/2
2sinπ/4cos(π/4-2x)>√3/2
√2cos(π/4-x)>√3/2
cos(π/4-x)>√6/4
sin(π/4+x)√6/4
arcsin(√6/4)+2πn<π/4+x<π-arcsin(√6/4)+2πn
arcsin(√6/4)-π/4+2πn<x<3π/4-arcsin(√6/4)+2πn,n∈z

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LadyDi5 August 2022 | 0 Ответы

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