The least value of `(1+sec^(-1)x)(1+c a s^(-1)x)` is ________

The least value of (1+sec^(-1)x)(1+c os^(-1)x) is ________

The principal values of sec^(-1)x lie in

the greatest and least values of (sin^(-1) x)^2+(cos^(-1)x)^2

Find the greatest and least values of (sin^(-1) x)^2+(cos^(-1)x)^2

Find the minimum value of (sec^(-1)x)^2+("c o s e c"^(-1)x)^2

Find the maximum value of (sec^(-1) x) (cosec^(-1) x), x ge 1

If sin^(-1)sqrt(x^2+2x + 1) + sec^(-1)sqrt(x^2 + 2x + 1) = pi/2; x!= 0, then the value of 2sec^(-1)(x/2) + sin^(-1)(x/2) is equal to

If sin^(-1)sqrt(x^2+2x + 1) + sec^(-1)sqrt(x^2 + 2x + 1) = pi/2; x!= 0, then the value of 2sec^(-1)(x/2) + sin^(-1)(x/2) is equal to

Find the minimum value of (sec^(-1) x)^(2) + (cosec^(-1) x)^(2)

Find the value of cos(sec^(-1)x+cose c^(-1)x),|x|geq1