[[" Q.27"sqrt(2+sqrt(2+2cos4 theta));AA0

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

sqrt(2+sqrt(2+2cos4theta))= …………

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

Prove that sqrt ( 2 + sqrt (2 + sqrt (2 + 2 cos 8 theta))) = 2 cos theta, where theta in [ (-pi)/(8), (pi)/(8)]

Prove that : 2 cos theta= sqrt (2+ sqrt(2+2 cos 4 theta)) .

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

If pi<2 theta<(3 pi)/(2), the n sqrt(2+sqrt(2+2cos4 theta))

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

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