" 13."tan^(-1)x

The total number of ordered pairs of (x,y) satisfying the equation 13+12[tan^(-1)x]=24[In x]+8[e^(x)]+6[cos^(-1)y] is/are:

Prove statement "tan"^(-1) 1/7+ "tan"^(-1)1/13="tan"^(-1) 2/9

If "tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)/(x)=tan^(-1)(-7) then the value of x is

The total number of ordered pairs of (x,y) satisfying the equation 13+12[tan^-1x]=24[In x]+8[e^x]+6[cos^-1y] is/are:

Prove that tan^(-1)((1)/(7))+tan^(-1)((1)/(13))=tan^(=-1)((2)/(9))

prove that tan^(-1)((1)/(7))+tan^(-1)((1)/(13))=tan^(-1)((2)/(9))

Prove that "Tan"^(-1)1/7+"Tan"^(-1)1/13-"Tan"^(-1)2/9=0

Prove that: tan^(-1) ""(1)/(7) + tan^(-1) ""(1)/(13) - tan^(-1) ""(2)/(9) =0

Prove that 2 tan^(-1) . 1/7 +tan^(-1) . 1/3 = tan^(-1) . 9/13

Prove that 2 tan^(-1) . 1/5 +tan^(-1) . 1/6 = tan^(-1). 9/13