Question

sec^2 a - tan ^ 2 a +1​

Answer 1

Answer:

the answer is 2

Step-by-step explanation:

sec^2-tan^2a =1

therefore

1+1=2

Answer 2

Answer:

0

Step-by-step explanation:

We know that tan^2 a +1=sec^2 a

so put value ,

sec^2 a - Sec^2 a

0