Question

Pls and the question

Answer 1

Answer:

$9 \sec {}^{2} (x) - 9 \tan {}^{2} (x) \\ = 9( \sec {}^{2} (x) - \tan {}^{2} (x)) \\ = 9(1) \\ = 9$

Answer 2

ANSWER : 9

Step-by-step explanation:

we know

sec^2A - tan^2A = 1

9(sec^2 - tan^2A) = 9×1

= 9