sec^(4)A-sec^(2)A" is equal to "

sec^(4)x-sec^(2)x is equal to

4tan^(2)A - 4sec^(2)A is equal to:

If x ne 0 , then 1+ secx + sec^(2)x + sec^(3)x + sec^(4)x + sec^(5)x is equal to ………….

sec^4x-sec^2x is equal to

4 tan^(2) A - 4 sec^(2) A is equal to :

int sec^(4)x cosec^(2)x dx is equal to

(sec A (sec A + tan A)(1-sin A))/ ((cosec^2 A-1)sin^2 A) is equal to: (sec A (sec A + tan A)(1-sin A))/ ((cosec^2 A-1)sin^2 A) का मान क्या होगा ?

What is tan^(4)A-sec^(4)A+tan^(2)A +sec^(2)A equal to ?

sec^4A-sec^2A = ………………