`int e^(x)((2 tanx)/(1+tanx)+cot^(2)(x+(pi)/(4)))dx` is equal to

inte^x((2tanx)/(1+tanx)+cot^2(x+pi/4))dx is equal to (a) e^xtan(pi/4-x)+c (b) e^xtan(x-pi/4)+c (c) e^xtan((3pi)/4-x)+c (d) none of these

Evaluate: inte^x((2tanx)/(1+tanx)+cot^2(x+pi/4))dx

inte^x((2tanx)/(1+tanx)+cot^2(x+pi/4))dxi se q u a lto e^xtan(pi/4-x)+c e^xtan(x-pi/4)+c e^xtan((3pi)/4-x)+c (d) none of these

int((1-tanx)/(1+tanx))^(2)dx=

inte^(x)tanx(1+tanx)dx=

int (tanx)/(1+tan^(2)x)dx=

int_0^(pi//2)(dx)/(1 + tanx) =

int e^(x)secx(1+tanx)dx=