Question

9 sec square-9 tan square=

Answer 1

Answer: 9

Step-by-step explanation:

Remember this identity: $sec^2 - tan^2 = 1$

9 sec square - 9 tan square

= 9 (sec square - tan square)

= 9(1)

= 9

Answer 2

Step-by-step explanation:

Taking 9 as common

so,

9 ( sec square - tan square )

we will use the formula sec square - tan square = 1

9(1)

9 ans