-π/2≤3x≤π/2
y/2=sin 3x ,-1≤y/2≤1,-2≤y≤2
3x=arc sin(y/2)
x=1/3*arc sin(y/2)
y=1/3*arc sin(x/2),-2≤x≤2
y=2sin 3x (-π/6≤x≤π/6) 的反函數(shù).能不能具體一點(diǎn).
y=2sin 3x (-π/6≤x≤π/6) 的反函數(shù).能不能具體一點(diǎn).
數(shù)學(xué)人氣：234 ℃時(shí)間：2019-10-20 20:10:25
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