Range of the function `f(x)=sqrt(cos^(- 1)(sqrt(log_4x))-pi/2)+sin^(- 1)((1+x^2)/(4x))` is equal to (A) `(0,pi/2+sqrt(pi/2)]` (B) `[pi/2,pi/2+sqrt(pi/2)]` (C) `[pi/6,pi/4)` (D) `{pi/6}`

Range of the function f(x)=sqrt(cos^(-1)(sqrt(log_(4)x))-(pi)/(2))+sin^(-1)((1+x^(2))/(4x)) is equal to (A) (0,(pi)/(2)+sqrt((pi)/(2))] (B) [(pi)/(2),(pi)/(2)+sqrt((pi)/(2)])) (C) [(pi)/(6),(pi)/(4))( D ) {(pi)/(6)}

Range of the function f(x) = sqrt(cos^(-1)(sqrtlog_(4)x)-pi/2)+sin^(-1)((1+x^2)/(4x)) is a (0,pi/2+sqrt(pi/2)] b) [pi/2,pi/2+sqrt(pi/2)] c) [pi/6,pi/2] d) {pi/6}

The value of cos^(-1)sqrt(2/3)-cos^(-1)((sqrt(6)+1)/(2sqrt(3))) is equal to (A) pi/3 (B) pi/4 (C) pi/2 (D) pi/6

The value of cos^(-1)sqrt(2/3)-cos^(-1)((sqrt(6)+1)/(2sqrt(3))) is equal to (A) pi/3 (B) pi/4 (C) pi/2 (D) pi/6

The value of cos^(-1)sqrt(2/3)-cos^(-1)((sqrt(6)+1)/(2sqrt(3))) is equal to (A) pi/3 (B) pi/4 (C) pi/2 (D) pi/6

f(x)=sqrt(-x^(2)+4x-3)+sqrt(sin""pi/2(sin""pi/2(x-1)))

f(x)=sqrt(-x^(2)+4x-3)+sqrt(sin""pi/2(sin""pi/2(x-1)))

Range of tan^(-1)((2x)/(1+x^2)) is (a) [-pi/4,pi/4] (b) (-pi/2,pi/2) (c) (-pi/2,pi/4) (d) [pi/4,pi/2]

Range of tan^(-1)((2x)/(1+x^2)) is (a) [-pi/4,pi/4] (b) (-pi/2,pi/2) (c) (-pi/2,pi/4) (d) [pi/4,pi/2]

Range of tan^(-1)((2x)/(1+x^2)) is (a) [-pi/4,pi/4] (b) (-pi/2,pi/2) (c) (-pi/2,pi/4) (d) [pi/4,pi/2]