74cos^(-1)((1)/(2))+2sin^(-1)((1)/(2))=?quad (a)(pi)/(3)quad (b)

Value of cos^(-1) (-(1)/(2)) + sin ^(-1)""(1)/(2) is: a) 2 pi b) (pi)/(2) c) pi d) none of these

The value of sin^(-1)((12)/(13)) - sin ^(-1)((3)/(5)) is equal to (A) pi-sin ^(-1) ((63)/(65)) (B) (pi)/(2) - sin ^(-1)((56)/(65)) (C) (pi)/(2) - cos ^(-1)((9)/(65)) (D) pi - cos ^(-1)((3)/(65))

The value of sin^(-1)((12)/(13)) - sin ^(-1)((3)/(5)) is equal to (A) pi-sin ^(-1) ((63)/(65)) (B) (pi)/(2) - sin ^(-1)((56)/(65)) (C) (pi)/(2) - cos ^(-1)((9)/(65)) (D) pi - cos ^(-1)((3)/(65))

The solution set of the inequality 4(cos^(-1)x)^(2)-1>=0 is [-1,(cos1)/(2)] (b) [0,(pi)/(3)]((cos1)/(2),1] (d) [(pi)/(3),(2 pi)/(3)]

The value of cos^(-1)(cos((pi)/(2)))+cos^(-1)(sin((2pi)/(3))) is

What is the principal value of cos^(-1)cos((2 pi)/(3))+sin^(-1)sin((2 pi)/(3))?

sin^(-1)(-1//3)+cos^(-1)(-1//3)=pi//2

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

sin[pi/3+Cos^(-1)(-1/2)]=

Write the principal value of cos^(-1)(cos(2 pi)/(3))+sin^(-1)(sin(2 pi)/(3))