[4(cot^(2)3+csc^(2)+tan^(-1)(2)/(9)=(1)/(2)cos^(-3)(3)/(5)]

cot(cosec ^(-1)(5/3) + tan^(-1)(2/3))=

sec^(2)(tan^(-1)4)+cosec^(2)(cot^(-1)3) =

sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=

sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=

sec^(2)(tan^(-1)2) + "cosec"^(2)(cot^(-1)3)=

sec^(2)(Tan^(-1)2)+cosec^(2)(Cot^(-1)3)=

sec ^(2)(tan ^(-1) 2)+cosec^(2)(cot ^(-1) 3)=

sec ^(2)(tan ^(-1) 2)+cosec^(2)(cot ^(-1) 3)=

sec^(2) ( tan^(-1)2) + cosec^(2) ( cot^(-1)3) =

Evaluate each of the following: cot^(-1)(1)/(sqrt(3))-csc^(-1)(-2)+sec^(-1)((2)/(sqrt(3)))cot^(-1){2cos(sin^(-1)(sqrt(3))/(2))}csc^(-1)(-(2)/(sqrt(3)))+2cot^(-1)(-1)tan^(-1)((1)/(sqrt(3)))+cot^(-1)((1)/(sqrt(3)))+tan^(-1)(sin(-(pi)/(2)))