`2- cosx = 2tan( x/2)`

Similar Questions

Explore conceptually related problems

Show that sin 2 x=2 sin x cosx=(2 tan x)/(1+tan ^(2) x)

int cosx.log (tan""(x)/(2)) dx =

Prove that : (1)/(2) cos^(-1) ((1+ 2 cos x)/( 2+cosx) ) = tan^(-1) ((1)/(sqrt(3)) "tan" (x)/(2))

If 2 tan^-1(cosx) = tan^-1(2 cosecx) , then find the value of x

find the value of x: 2 tan^-1(cosx) = tan^-1(2 cosecx)

If a sin x=b cosx=(2c tan x)/(1-tan^(2)x) , then prove that (a^(2)-b^(2))^(2)=4c^(2)(a^(2)+b^(2)).

If cosx=(2cosy-1)/(2-cosy) then tan""(x)/(2).cot""(y)/(2)=?

If cosx=(2cosy-1)/(2-cosy) then tan""(x)/2.cot""(y)/2 = ?

(sinx-siny)/(cosx+cosy)=tan(x-y)/(2)