Mark the correct alternative in the following:
If sin (π cos x) = cos (π sin x), then sin 2x =
sin(π cos x)=cos(π sin x)
Put n=0
,
,
Take square both side
, 
, 
1
Mark the correct alternative in the following:
If sin (π cos x) = cos (π sin x), then sin 2x =
sin(π cos x)=cos(π sin x)
Put n=0
,
,
Take square both side
,
,