sin(a-pai)=3/5
a-pai=arcsin(3/5)
a=arcsin(3/5)+pai
已知sin(a-pai)=3/5,則sin等于多少?
已知sin(a-pai)=3/5,則sin等于多少?
數(shù)學(xué)人氣:926 ℃時間:2020-06-19 12:33:46
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