Mathematics
Senior High
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赤線の計算の仕方と青線の書き換えの仕方を教えてください🙇‍♀️

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✨ Best Answer ✨

sin2θ=sinθcosθより
2√3sinθcosθ=√3sin2θ

また、(sinθ)^2=1-(cosθ)^2

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