Find the value of `2cos^(-1)3/(sqrt(13))+cot^(-1)(16)/(63)+1/2cos^(-1)7/(25)`

Find the value of 2cos^(-1)(3)/(sqrt(13))+cot^(-1)(16)/(63)+(1)/(2)cos^(-1)(7)/(25)

Find the value of 2 cos^(-1).(3)/(sqrt13) + cot^(-1).(16)/(63) + (1)/(2) cos^(-1).(7)/(25)

Find the value of 2 cos^(-1).(3)/(sqrt13) + cot^(-1).(16)/(63) + (1)/(2) cos^(-1).(7)/(25)

Find the principal value of cos^(-1)(sqrt3/2)+cot^(-1)(1/sqrt3)+cosec^(-1)(-2)

Find the principal value of cos^(-1)(sqrt3/2)+cot^(-1)(1/sqrt3)+cosec^(-1)(-2)

Find the value of cos^(-1)sqrt(2/3)-cos^(-1)""(sqrt(6)+1)/(2sqrt(3))

Find the value of "cos"^(-1)((-7)/(25))+"cos"^(-1)(3/(5)) .

Find the values of : (1) cos^(-1)((1)/(2))+tan^(-1)((1)/sqrt(3)) (2) cos^(-1)((1)/(2))+2sin^(-1) ((1)/(2)) (3) cosec ^(-1)(-sqrt(2))+cot^(-1)(sqrt(3)) .

Find the value of : sec("cot"^(-1)16/63)

Find the value of : sec("cot"^(-1)16/63)