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))

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

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

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

The value of sec[sin^(-1)(-sin""(50pi)/9)+cos^(-1)cos(-(31pi)/9)] is equal to a) sec""(10pi)/9 b) sec""pi/9 c)1 d) -1