sqrt(2+sqrt(2+2cos4 theta)=)?

sqrt(2+sqrt(2+2cos4theta))=

Find the Value of \ sqrt(2+sqrt(2+2cos4theta))

Find the Value of \ sqrt(2+sqrt(2+2cos4theta))

Show that sqrt(2+sqrt(2 +2 cos 4 theta))= 2 cos theta

If 0 lt theta lt pi//4 , " then " sqrt(2+sqrt(2+2cos 4 theta ))=

sqrt(2+sqrt(2+2cos 4 theta)), forall 0 lt theta lt pi//4 is

sqrt(2+sqrt(2+2cos 4 theta)), forall 0 lt theta lt pi//4 is

Select and write the correct answer from the given alternatives in each of the following: sqrt(2+sqrt(2+2cos4theta))=

If thetalt22 1^(@)/2 then sqrt(2+sqrt(2+sqrt(2+2cos4theta)))=

sqrt(2+sqrt(2+2cos4theta))= …………