Mathematics
Senior High
Solved

ここの変形の計算が分かりません。教えてください。

xp(x950)-1) 75 [sin 3x dx

Answers

✨ Best Answer ✨

半角の公式です。

sin²(θ/2)=(1-cosθ)/2

θ/2が3xに、θが6xになっています。

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