Find the values of `(1/2)^(-1)+(1/3)^(-1)+(1/4)^(-1)`

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

Find the value of sin(1/2cot^(-1)(-3/4))

Find the values of each of the following : (1/2)^(-1)+\ (1/3)^(-1)+\ (1/4)^(-1) (1/2)^(-2)+\ (1/3)^(-2)+(1/4)^(-2)

Find the value of sin((1)/(2) cot^(-1) (-(3)/(4)))

Find the Value of (1/3)^-2+(1/4)^-2+(1/5)^-2

Find the value of cot^(-1)3/4+sin^(-1)5/(13)

Find the values of (1)/(12!) + (1)/(10! 2!) + (1)/(8!4!) + …+ (1)/(12!)

Find the value of 4tan^(-1)1/5-tan^(-1)1/(70)+tan^(-1)1/(99)

Find the value of sec^(-1)(-2)+tan^(-1)(-1/sqrt3)

Find the value of (2^-1+3^-1)^-1-:5^-1