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Complete the Equation So the Result Is an Identity

Question 674

Multiple Choice

Complete the equation so the result is an identity.
-(sec x - tan x) (sec x + tan x) = Complete the equation so the result is an identity. -(sec x - tan x) (sec x + tan x) = A) 1 B) C) -1 D)


A) 1
B) Complete the equation so the result is an identity. -(sec x - tan x) (sec x + tan x) = A) 1 B) C) -1 D)
C) -1
D) Complete the equation so the result is an identity. -(sec x - tan x) (sec x + tan x) = A) 1 B) C) -1 D)

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