48" an "cot^(-1)3+cosec^(-1)sqrt(5)" का मान है "

4(cot^(-1)3+csc^(-1)sqrt(5))=pi

4(cot ^(-1)3+"cosec"^(-1) sqrt(5))=pi

The sum of the two angles cot^(-1) 3 and cosec^(-1) sqrt(5) is

The sum of the two angles cot^(-1) 3 and cosec^(-1) sqrt(5) is

Prove that : (i) tan^(-1) x + cot^(-1)( x+1) = tan^(-1) (x^(2)+x+1) (ii) cot^(-1) 3 + "cosec"^(-1) sqrt(5) = pi/4

" (3.) "cot^(-1)3+cosec^(-1)sqrt(5)=..........

Prove that : cot^-1 3 + cosec^-1 sqrt5 = pi/4