Answer:
Approximately 2.83
Step-by-step explanation:
It is the first one, the second one, and the fourth one.
Hope this helps ;)
Answer:
-1.
Step-by-step explanation:
(tanx- secx) (tanx+ secx).
= tan^2 x + tanx sec x- tanx sec x - sec^2x
= tan^2 x - sec^2 x.
But sec^2 x = 1 + tan^2 x
so tan^2 x - sec^2 x = -1
The answer is C 7
Hope this helps
Thi answer be 753.6 i wish you good marrow
