Question

if cosecA + cotA = p, evaluate (p^2 -1)/(p^2+1)

Answer 1

Hope this helps.
Ask for any doubts at any step, and please notify if you find any calculation mistake.

Answer 2

hello friends......

we have given that
cosecA + cotA = p

we have to evaluate
(p²-1) /(p²+1) = ?

solution :-
as shown in attachment ..

formula used
cosec²x -cot²x = 1


hence
(p²-1) /(p²+1) = cos A answer

⭐⭐ hope it helps ⭐⭐