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
Answer:
Find XY. Find XZ. Find angle WVX. Find angle XYV.
Step-by-step explanation: Find XY. Find XZ. Find angle WVX. Find angle XYV= 89
find (f+g)(x)
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Answer: sphere
Step-by-step explanation:
Answer:
what is the rest of the question
Step-by-step explanation:
Answer:
b.c
Step-by-step explanation:
