Автор - aselsulaimanova861

sinx = 0 \ sinx = 1 \ sinx =  - 1 \ sin 3x = 0 \ sin frac{x}{4}  = 1 \ 2in {}^{2} x - 3sinx + 1 = 0 \ cosx = 1 \  cosx =  - 1 \ cosx =   -  frac{ sqrt{2} }{2}  \ cosx =  frac{ sqrt{3} }{2}   \ cos frac{x}{3}  = 0 \ cos2x = 0 \ sin(x frac{pi}{8} ) =  frac{1}{2}  \ sin {}^{2} 2x = 1 \ cos( frac{x}{2}  -  frac{pi}{7} ) =  frac{ sqrt{3} }{2}
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По алгебре.​

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Автор - Beaver4000

Ответ:

Объяснение:

На фото..........

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