LlimX趋近于A(sinX-sinA)÷(X-A) 用诺必达法则:
=LlimX趋近于A cosX
=cosA
求(sinX-sinA)÷(X-A) X趋近于A的极限是多少
求(sinX-sinA)÷(X-A) X趋近于A的极限是多少
数学人气:595 ℃时间:2019-10-19 15:35:08
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