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Integral tan(x) - Math2.org 活了也剩半條命XDDave's Math Tables: Integral tan(x) (Math | Calculus | Integrals | Table Of | tan x) Discussion of tan x = - ln|cos x| + C. 1. Proof Strategy: Make in terms of sin's and cos's; Use Subtitution. tan x dx = sin x cos x dx set u = cos x. then we find du = - ...
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