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alex123056
@alex123056
August 2022
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Тригонометрия, выручайте
2(sin2x*cosx+cos2x*sinx)=1
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yugolovin
Verified answer
2sin (2x+x)=1; 2sin 3x=1; sin 3x=1/2
3x=(-1)^n π/6 +πn;
Ответ: x=(-1)^n π/18+ πn/3; n
∈Z
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Answers & Comments
Verified answer
2sin (2x+x)=1; 2sin 3x=1; sin 3x=1/23x=(-1)^n π/6 +πn;
Ответ: x=(-1)^n π/18+ πn/3; n∈Z