If `2f(sin x)+sqrt2f(-cosx)=-tanx ,f(1/2)` equal to

If 2f(sin x)+sqrt(2)f(-cos x)=-tan x,f((1)/(2)) equal to

If f(x)=sqrt(1-sin2x), then f'(x) equals

If f(x)=sqrt(1-sin2x), then f'(x) equals

If f(x)=sin(cosx) , then f'(x) is equal to

If f'(x)=sqrt(x) and f(1)=2 then f(x) is equal to

If f'(x)=sqrt(x) and f(1)=2 then f(x) is equal to

If f(x) =(x-4)/(2sqrt(x)) , then f^(')(1) is equal to

If f(x) =(x-4)/(2sqrt(x)) , then f^(')(1) is equal to

If f(x)=sqrt(1-sin2x) , then f^(prime)(x) is equal to (a) -(cosx+sinx) ,for x in (pi/4,pi/2) (b) cosx+sinx ,for x in (0,pi/4) (c) -(cosx+sinx) ,for x in (0,pi/4) (d) cosx-sinx ,for x in (pi/4,pi/2)