## Answer :

-2 (sec² A - tan² A) + 5

-2 * 1 + 5 = -3

That does not depend on value of A or sin A equals or not equals cos A.

is the question rightly presented ?

2 tan square A - 2 sec square A + 5.

-2 (sec² A - tan² A) + 5

-2 * 1 + 5 = -3

That does not depend on value of A or sin A equals or not equals cos A.

is the question rightly presented ?