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Rewrite in Terms of Sine and Cosine, and Simplify the Expression

Question 21

Multiple Choice

Rewrite in terms of sine and cosine, and simplify the expression: $\sec A \csc A - \tan A - \cot A$

A) $\sec A$
B) $0$
C) $\cot A$
D) $1$
E) $\tan A$

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