" 15.The value of "sec^(-1)(sec(8 pi)/(5))" is "

The value of sec^(-1)(sec(8pi)/5) is

Value of sec^(-1)(sec.(4pi)/3) is

Value of sec^(-1)(sec.(4pi)/3) is

Find the values of sec^-1(Sec((4pi)/3))

Find the value of sec(sec^(-1)((4 pi)/(3)))

Let cos(pi)/(7),cos(3 pi)/(7),cos(5 pi)/(7) are the roots of equation 8x^(3)-4x^(2)-4x+1=0 Q.The value of sec((pi)/(7))+sec((3 pi)/(7))+sec((5 pi)/(7)) is

Find the value of "sec" (13 (pi)/3)

Find the value of (i) "sec" (-(31 pi)/(4))

The value of sec((pi)/(7))*sec(2(pi)/(7))*sec(3(pi)/(7)) is

Evaluate each of the following: sec^(-1)((sec(13 pi))/(4))( ii) sec^(-1)((sec(25 pi))/(6))