Problemddx(1+tanx)\frac{d}{dx}(1 + \tan x)dxd(1+tanx)分步解答加法法则:ddx(1)+ddx(tanx)=0+sec2x\frac{d}{dx}(1) + \frac{d}{dx}(\tan x) = 0 + \sec^2 xdxd(1)+dxd(tanx)=0+sec2x。结果:sec2x\sec^2 xsec2x。答案sec2(x)\sec^2(x)sec2(x)想解其他题?打开 derivative 求解器 →相关例题/solve/calculus/derivative-of-tan-x