Question

9 Sec²A-9 tan²A is equal to​

Answer 1

Answer:

9

Explanation:

Take 9 as common

9(sec²A-tan²A)

as we know that Sec²A-Tan²A=1

therefore,9×1 =9

Answer 2

9(sec^2 A - tan^2A

= 9 (Sec^2 A - Tan^2 A)

W.K.T

Sec^2 A - Tan^2 A = 1

* 9(1)= 9