Question

Find the value of 5 10 square a minus 5 sec square a ​minus 1

Answer 1

Step-by-step explanation:

I think the question is exactly 5 tan^2 A - 5 sec^2 A

= 5 ( tan^2 A - sec^2 A )

= 5 * -1 [ because sec^2 A -tan ^2 A = 1 , tan^2 A - sec^2 A = -1 ]

= -5