`"if y"="cos"^(-1)((5"cos" x-12 "sin"x)/(13)),` where
`x in (0,(pi)/(2)) , " then "(dy)/(dx) " is"-`

y=cos^(-1)((5cos x-12sin x)/(13)),wherexin(0,(pi)/(2)) then (dy)/(dx) is.(a)1(b) -1( c) 0 (d) none of these

If y=cos ^(-1) ((3cos x-2sin x )/( sqrt(13))),then (dy)/(dx)=

If 2y=(cot^(-1)((sqrt3 cos x + sin x)/(cos x - sqrt3 sin x)))^(2) , x in (0, pi/2) " then " (dy)/(dx) is equal to

If y = cos^(-1) ((2cos x - 3 sin x)/(sqrt(13))), " then" (dy)/(dx) is equal to

If y = tan^(-1) ((a cos x - b sin x)/(b cos x + a sin x)) " then " (dy)/(dx) = ?

If y=sqrt((1-cos2x)/(1+cos2x)), where 0

If y=sin x+cos x then (dy)/(dx) =

If y=tan^(-1)[(5cos x-12sin x)/(12cos x+5sin x)], then (dy)/(dx)=

If sin (x+y) +cos (x+y) =1,then (dy)/(dx)=

if y=(sin x)^(cos x). Then (dy)/(dx)=