If `f(x)=cosx-cos^(2)x+cos^(3)x-…oo`, then the value of `int f(x) dx` is equal to -

If f (x) = cos x - cos ^(2) x + cos ^(3) x -... to oo, then int f (x) dx equals to :

The value of int(cos2x)/(cosx) dx is equal to

The value of int(cos2x)/(cosx) dx is equal to

If f(x)=cos x-cos^(2)x+cos^(3)x-...rarr oo then int f(x)dx is equal to

If f(x) = cos x - cos^(2)x + cos^(3)x + …. to oo int f(x) dx =

If an antiderivative of f(x) is e^(x) and that of g(x) is cosx, then the value of int f(x) cos x dx+ int g(x) e^(x) dx is equal to -

int(cos2x)/(cosx)dx is equal to

The value of int(dx)/(cos^3x sqrtsin2x) is equal to

Let f(x)=lim_( n to oo)(cosx)/(1+(tan^(-1)x)^(n)) . Then the value of int_(o)^(oo)f(x)dx is equal to