✨ Best Answer ✨
sin(π/6)=cos(π/2-π/6)=cos(π/3)
cos(π/6)=sin(π/2-π/6)=sin(π/3) より
与式=3(cos(π/3)+isin(π/3))
185の(5)教えてください🙇♀️
✨ Best Answer ✨
sin(π/6)=cos(π/2-π/6)=cos(π/3)
cos(π/6)=sin(π/2-π/6)=sin(π/3) より
与式=3(cos(π/3)+isin(π/3))
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なるほど!理解できました!
ありがとうございます🙇♀️