If f(x)=`|[2cos x,1,0],[1,2cos x,1],[0,1,2cos x]|` then `f'((pi)/(6))=`
A.-5, B.-7, C.`-sqrt(3)`, D.4

If f(x)=(4cos^(4)x-2cos2x-(1)/(2)cos4x-x^(7))^((1)/(7)) then

If f'(x)=3x^(2)sin x-x cos x x!=0 f(0)=0 then the value of f((1)/(pi)) is

If f'(x)=3x^(2)sin x-x cos x ,x!=0 f(0)=0 then the value of f((1)/(pi)) is

Let F(x)=|[1,1+sin x,1+sin x+cos x],[2,3+2sin x,4+3sin x+2cos x],[3,6+3sin x,10+6sin x+3cos x]| then the value of F'((pi)/(2)) =

If f(x)=|sin x-|cos x||, then the value f(x)'atx=(7 pi)/(6) is (a)positive (b) (1-sqrt(3))/(2) (c)0(d) none of these

If f(x)=int(sin2x(cos2x-cos4x))/(cos2x(cos2x+cos4x))dx then the value of f((pi)/(3))-f(0) is

If the function f(x)=(sqrt(1+cos x)+sqrt(1-cos x))/(sqrt(1+cos x)-sqrt(1-cos x)) If the value of f((pi)/(3))=a+b sqrt(c) then a+b+c=

If f(x) =cos^(-1)x+cos^(-1){(x/2+1/2sqrt(3-3x^(2)))} then f(2/3) equals

If f(x)=sqrt(1+cos^(2)(x^(2))), then f'((sqrt(pi))/(2)) is (sqrt(pi))/(6)(b)-sqrt(pi/6)1/sqrt(6)(d)pi/sqrt(6)

If f(x)=cos^(-1)x+cos^(-1){(x)/(2)+(1)/(2)sqrt(3-3x^(2))} then