Derivatives Derivative Applications Limits Integrals Integral Applications Integral Approximation Series ODE Multivariable Calculus Laplace Transform TaylorMaclaurin Series Fourier Series. The integral of tan 2x is -12ln cos 2x C which can be calculated using the substitution method followed by integral of tan x formula or by expressing tan 2x in terms of sin and cos. Integration With U Substitution The Integral Of Sqrt Tan 4x Sec 2 4x Math Videos Calculus Integrity Here notice that sec2x is already in the integral and all that remains is tan2x. . This calculus video tutorial explains how to find the integral of tan2x using pythagorean identities found in trig. Lets change this formula of. Just remember that the derivative of tanx is sec2x and the derivative of secx is secxtanx. Related Symbolab blog posts. Integration of Tan x whole square. Find the Integral sec 2xtan 2x sec2x tan 2x sec 2 x tan 2 x Let u2 sec2x u 2 sec 2...