[" If "],[2sin^(2)((pi/2)cos^(2)x)=1-cos(pi sin2x),x!=(2n+1)pi/2,n in I],[" ,then "cos2x" is equal to "]

If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I , then cos 2x is equal to

If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I , then cos 2x is equal to

If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I , then cos 2x is equal to

If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I , then cos 2x is equal to

If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I , then cos 2x is equal to .............. A) 1/5 B) 3/5 C) 4/5 D) 1

If 2sin^2[(pi/2)cos^2x]=1-cos(pisin2x) , x!=(2n+1)pi/2,nin1 , then cos 2x is equal to

2 sin^2(pi/2 cos^2 x) = 1 - cos(pi sin 2x) . if

Assertion (A) : if 2sin^(2)((pi)/(2)cos^(2)x)=1-cos(pisin2x) , xne(2n+1)(pi)/(2),n is a integer, then sin2x+cos2x=(1)/(5) Reason (R ) : sin2x+cos2x=(2-(tanx-1)^(2))/(1+tan^(2)x) . Then the true statement among the following is