Integral of tan^4x

This calculus video tutorial explains how to find the integral of tan^4x using integration by u-substitution and pythagorean identities of secant and tangent.

Calculus 1 Final Exam Review:    • Calculus 1 Final Exam Review  
Full-Length Exam Videos:   / mathsciencetutor  
Calculus Video Playlists: https://www.video-tutor.net/
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Integration & Antiderivatives:    • Calculus 1 - Integration & Antiderivatives  
Calculus 1 - Derivatives:    • Calculus 1 - Derivatives  
Integral of 1/Sqrt(x):    • Integral of 1/sqrt(x)  
Integral of |x|:    • Integral of absolute value of x or abs(x)  
Integral of Cos(2x):    • Integral of Cos(2x)  
Integral of Cos^2(x):    • Integral of cos^2x  
Integral of Sin^2(x):    • Integral of Sin^2x  
Integral of Sin^4(x):    • Integral of sin^4x  
Integral of Tan^2(x):    • Integral of tan^2x  
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U-Substitution Integration:    • How To Integrate Using U-Substitution  
Integral of 1/e^x:    • Integral of 1/e^x  
Integral of ln(x)/x:    • Integral of lnx/x  
Integral of 1/(1+e^x):    • Integral of 1/(1+e^x)  
Integral of Tan(x):    • Integral of tanx  
Integral of Sec(x):    • Integral of sec(x)  
Integral of Sin(x)Cos(x):    • Integral of sinx cosx  
Integral of x/sqrt(1-x^2):    • Integral of x/sqrt(1-x^2)  
Integral of x/sqrt(x+1):    • Integral of x/sqrt(x+1)  
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Integration By Parts Technique:    • Integration By Parts  
Integral of xe^x:    • Integral of xe^x  
Integral of e^x Sinx:    • Integral of e^x sinx  
Integral of ln(x):    • Integral of lnx  
Integral of (lnx)^2:    • Integral of (lnx)^2  
Integral of ln(x)/x^2:    • Integral of lnx/x^2  
Integral of ArcSin(x):    • integral of arcsin(x)  
Integral of e^[sqrt(x)]:    • Integral of e^sqrt(x)  
Integral of Sin(lnx):    • Integral of Sin(lnx)  
Integral of Sec^3(x):    • Integral of sec^3x  
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Trigonometric Integrals:    • Trigonometric Integrals  
Integral of Sin^3(x):    • Integral of sin^3x  
Integral of Sin^5(x):    • Integral of sin^5(x)  
Integral of Tan^3(x):    • Integral of tan^3(x)  
Integral of Tan^4(x):    • Integral of tan^4x  
Integral of Tan^5(x):    • Integral of tan^5(x)  
Integral of Cos^3(x):    • Integral of cos^3x  
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Trigonometric Substitution:    • Trigonometric Substitution  
Integral of 1/(1+x^2):    • Integral of 1/(1+x^2)  
Integral of x^2/(x^2 + 1):    • Integral of x^2/(x^2+1)  
Integral of 1/sqrt(1-x^2):    • Integral of 1/sqrt(1-x^2)