`cos^(-1)("cos"(2cot^(-1)(sqrt(2)-1)))` is equal to `sqrt(2)-1` (b) `pi/4` (c) `(3pi)/4` (d) `non eoft h e s e`

cos^(-1) (cos (2 cot^(-1) (sqrt2 -1))) is equal to

tan^(-1)sqrt(3)-cot^(-1)(-sqrt(3)) is equal to (A) pi (B) -pi/2 (C) 0 (D) 2sqrt(3)

The value of sin^(-1)("cot"(sin^(-1)((2-sqrt(3))/4+cos^(-1)(sqrt(12))/4+sec^(-1)sqrt(2))))i s (a) 0 (b) pi/2 (c) pi/3 (d) none of these

tan^(-1)sqrt(3)-sec^(-1)(-2) is equal to(A) pi (B) -pi/3 (C) pi/3 (D) (2pi)/3

tan^(-1)sqrt(3)-sec^(-1)(-2) is equal to(a) pi (B) -pi/3 (C) pi/3 (D) (2pi)/3

The value of the expression sin^(-1)(sin(22pi)/7)cos^(-1)(cos(5pi)/3)+tan^(-1)(tan(5pi)/7)+sin^(-1)(cos2) is (17pi)/(42)-2 (b) -2 (-pi)/(21)-2 (d) non eoft h e s e

sin^(-1)sqrt((2-sqrt(3))/4)+cos^(-1)(sqrt(12)/4)+sec^(-1)(sqrt(2))= (a) 0 (b) pi/4 (c) pi/6 (d) pi/2

The value of the expression sin^(-1)(sin(22pi)/7)+cos^(-1)(cos(5pi)/3)+tan^(-1)(tan(5pi)/7)+sin^(-1)(cos2) is (a) (17pi)/(42)-2 (b) -2 (c) (-pi)/(21)-2 (d) non eoft h e s e

The value of sin^(-1)(3/(sqrt(73)))+cos^(-1)((11)/(sqrt(146)))+cot^(-1)sqrt(3) is (A) (5pi)/(12) (B) (17pi)/(12) (C) (7pi)/(12) (D) None of these

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