m(e^(a)-1-sin x-(tan^(2)x)/(2))/(x^(2))

lim_(x rarr0)(e^(x)-1-sin x-(tan^(2)x)/(2))/(x^(3))

int(e^(m tan^(-1)x))/(1+x^(2))dx

Find the period of f(x)=sin x+tan(x)/(2)+sin(x)/(2^(2))+tan(x)/(2^(3))+...+sin(x)/(2^(n-1))+tan(x)/(2^(n))

int (e^(m tan^(-1) x))/(1+x^(2)) dx=?

The value of lim_(x rarr0)(tan[e^(2)]x^(2)-tan[-e^(2)]x^(2))/(sin^(2)x)

lim_(x rarr 0) (tan [e^(2)]x^(2)-tan[-e^(2)]x^(2))/(sin^(2)x) equals :

sin^(-1)((1-tan^(2)x)/(1+tan^(2)x))

Let f(x)=(tan[e^(2)]x^(2)-tan[-e^(2)]x^(2))/(sin^(2)x),x!=0 then the value of f(0) so that f is a continuous function is

int sin4x*e^(tan^(2)x)dx