" 3."tan3x

The period of 3 cos 3x+ 3 tan 3x is

Evaluate lim_(x to 0) (tan x + 4 tan 2x - 3tan 3x)/(x^(2) tan x)

Evaluate lim_(x to 0) (tan x + 4 tan 2x - 3tan 3x)/(x^(2) tan x)

If tan 3x.tan 3y = 1, then sin(x+y)=?

Prove that tan 3x= (3tan x-tan^3 x)/(1-3tan^2 x)

The period of 5cos3x+3tan3x is

(d)/(dx) ((1)/(3)tan^(3)x-tan x+x) =

int cos ec^(6)xdx is equal to ................ 1) -cot x-(cot^(5)x)/(5)-(2cot^(3)x)/(3)+k 2) -(cot x)/(3)+(2cot^(5)x)/(5)+2cot^(-3)x+k 3) (tan^(3)x)/(3)-(tan x)/(5)+2tan^(3)x+k 4) (tan^(3)x)/(3)-(tan x)/(5)+3tan^(3)x+k

intsec^3x tan^3x dx

If (d)/(dx)(x-tanx+(1)/(3)tan^(3)x)=tan^(n)x," then "n=