`(costheta +i sintheta)(cos3theta+ i sin3theta)........... (cos(2r-1)theta+isin(2r-1)theta)=1`

(cos theta + i sin theta) (cos3 theta + i sin3 theta) .......... (cos (2r-1) theta + i sin (2r-1) theta) = 1

The general value of theta which satisfies the equation (costheta+isintheta) (cos3theta+isin3theta)...[(cos(2r-1)theta+isin(2r-1)theta)]=1 is

The general value of theta which satisfies the equation (cos theta + isin theta) (cos 3theta+ isin3theta)…[cos(2n-1)theta+isin(2n-1)theta]=1 is

The general value of theta which satisfies the equation (costheta+isintheta)(cos3theta+isin3theta) (cos5theta+isin5theta)…………((cos2n-1)theta+isin(2n-1)theta) = 1 is

(sintheta+sin 2theta)/(1+costheta+cos2theta)=

(sintheta+sin2theta)/(1+costheta+cos2theta) =

(sintheta+sin2theta)/(1+costheta+cos2theta)=?

(3costheta+cos3theta)/(3sintheta-sin3theta)=

(sintheta+sin2theta)/(1+costheta+cos2theta)