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

Find the value of 2^(1-4)

find the value of (-2)^(-1/3)

find the value of 2^(1*4)=

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

Find the values of :- (1) (8)^(1//3) (2) (64)^(1//2) (3) 4^(5//2) (4) (36)^(3//2) (5) (27)^(2//3)

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 2\ sec^(-1)2+sin^(-1)(1/2) .

Find the value: 2(4)/(5)div(-2(1)/(3))

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