(i) `int(tanx)/((sec x +tanx))dx` , (ii) `int(1)/((1-sinx))dx`

int(tanx)/((1-sinx))dx

int (tanx)/(log (sec x)) dx =

int e^(tanx)(sec x-sinx)dx =

Ecaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

Evaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

Ecaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

int(dx)/((1-tanx))=?

Evaluate: (i) int(1+tanx)/(1-tanx)\ dx (ii) int(cosx)/(cos(x-a))\ dx

int ((1+tanx)/(1-tanx))dx