Question

(i) .9 sec² A - 9 tan²A =​

Answer 1

Answer:

9sec^2 A-9tan^2 A

=9(sec^2 A-tan^2 A). AS sec^2 A-tan^2 A=1

=9(1)

=9

Step-by-step explanation:

PLEASE LIKE MY ANSWER AND THANK ME FOLLOW ME AND MAKE MY ANSWER BRAINLIEST