Physics
Senior High

cos1/3π
Sin1/3π
になぜなるのか教えてくれると助かります🙏

Answers

極座標で表すと(x,y)=(rcosθ,rsinθ)
θ=ωtなので
x=rcosωt=rcos{(1/6π)×2}=rcos(1/3π)
y=rsinωt=rsin{(1/6π)×2}=rsin(1/3π)

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