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-x + (23*Tan[x])/15 - (11*Sec[x]^2*Tan[x])/15 + (Sec[x]^4*Tan[x])/5

Integrate[Tan[x]^6, x] ==
-x + (23*Tan[x])/15 - (11*Sec[x]^2*Tan[x])/15 + (Sec[x]^4*Tan[x])/5 

                6
Integrate[Tan[x] , x] == 

                          2                4
     23 Tan[x]   11 Sec[x]  Tan[x]   Sec[x]  Tan[x]
-x + --------- - ----------------- + --------------
        15              15                 5
Time to compute: 0.01 second
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