用sinθ跟cosθ还有他们的幂来表达sin5θ原题:Find an expression for sin5θ in terms of sinθ and cosθ and their powers,希望快速解答,
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用sinθ跟cosθ还有他们的幂来表达sin5θ原题:Find an expression for sin5θ in terms of sinθ and cosθ and their powers,希望快速解答,
用sinθ跟cosθ还有他们的幂来表达sin5θ
原题:Find an expression for sin5θ in terms of sinθ and cosθ and their powers,希望快速解答,
用sinθ跟cosθ还有他们的幂来表达sin5θ原题:Find an expression for sin5θ in terms of sinθ and cosθ and their powers,希望快速解答,
=sin(2x+3x)=sin2xcos3x+cos2xsin3x
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=sinx[8(cosx)^4-8(sinx)^2(cosx)^2-3+4(sinx)^3]
用sinθ跟cosθ还有他们的幂来表达sin5θ原题:Find an expression for sin5θ in terms of sinθ and cosθ and their powers,希望快速解答,
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