[" 3) "=c" ,then the value of "a sin^(-1)x+b cos^(-1)x],[" 2) "(pi ab+c(b-a))/(a+b)" 3) "(pi)/(2)]

If sin^(-1)x+sin^(-1)y=(2 pi)/(3) ,then the value of cos^(-1)x+cos^(-1)y is (A) (2 pi)/(3) (B) (pi)/(3) (C) (pi)/(2) (D) pi

If a sin^(-1)x-b cos^(-1)x=c, then a sin^(-1)x+b cos^(-1)x is equal to (a)0(b)(pi ab+c(b-a))/(a+b)(c)(pi)/(2)(d)(pi ab+c(a-b))/(a+b)

sin^(-1)x+cos^(-1)x,x in[-1,1]= (A) 0 (B) (pi)/(2) (C) pi (D) 2

The value of cos^(-1)(-1)-sin^(-1)(1) is- pi b .(pi)/(2)c*(3 pi)/(2)d.-(3 pi)/(2)

sin^(-1)x+cos^(-1)x,x in[-1,1] = (A) 0 (B) pi/2 (C) pi (D) 2pi

sin^(-1)x+cos^(-1)x,x in[-1,1]= (A) 0 (B) (pi)/(2) (C) pi (D) 2 pi

If tan^(-1)(x^(2)+3|x|-4)+cot^(-1)(4 pi+sin^(-1)sin14)=(pi)/(2), then the value of sin^(-1)sin2x is (a)6-2 pi( b) 2 pi-6( c) pi-3 (d) 3-pi

The value of cos^(-1)(-1)-sin^(-1)(1) is: a. pi b. pi/2 c. (3pi)/2 d. -(3pi)/2

The value of cos^(-1)(-1)-sin^(-1)(1) is: a. pi b. pi/2 c. (3pi)/2 d. -(3pi)/2

If tan^(-1)(x^2+3|x|-4)+cot^(-1)(4pi+sin^(-1)sin 14)=pi/2, t h e n the value of sin^(-1)sin2x is (a) 6-2pi (b) 2pi-6 (c) pi-3 (d) 3-pi