SOLUTION: what is the equivalent of: tan^4 x - sec^4 x A. -cot^2 x - csc^2 x B. -tan^2 x - sec^2 x C. csc^2 x + cot^2 x D. tan^2 x - sec^2 x E. sec^2 x + tan^2 x F. cot^2 x - sec^2

SOLUTION: what is the equivalent of: tan^4 x - sec^4 x A. -cot^2 x - csc^2 x B. -tan^2 x - sec^2 x C. csc^2 x + cot^2 x D. tan^2 x - sec^2 x E. sec^2 x + tan^2 x F. cot^2 x - sec^2

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Question 728476: what is the equivalent of:
tan^4 x - sec^4 x
A. -cot^2 x - csc^2 x
B. -tan^2 x - sec^2 x
C. csc^2 x + cot^2 x
D. tan^2 x - sec^2 x
E. sec^2 x + tan^2 x
F. cot^2 x - sec^2 x
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
D.
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