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受不了了!开导!🥵🥵🥵🥵 🥵🥵🥵🥵 (sinx)’ = cosx (cosx)’ = - sinx (tanx)’=1/(cosx)^2=(secx)^2=1+(tanx)^2 -(cotx)’=1/(sinx)^2=(cscx)^2=1+(cotx)^2 (secx)’=tanx·secx (cscx)’=-cotx·cscx (arcsinx)’=1/(1-x^2)^1/2 (arccosx)’=-1/(1-x^2)^1/2 (arctanx)’=1/(1+x^2) (arccotx)’=-1/(1+x^2)
停,别继续划屏幕了,看看下面这行字 “你超棒!明天请继续加油!” OK,可以啦 只是以防万一今天一整天都没有人夸夸你而已
我真帅
???
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