[微積] tan的微分~緊急求助
S=d/(tanM-tanN)
S對d微分我ok,微分完的結果就是 1/(tanM-tanN)
請問S分別對M跟N微分後的結果各是什麼?
可以請高手幫我分別列一下對M跟N微分的過程嗎?
因為tanM、tanN都是在分母,所以不太會><
感恩!!
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