Simplify sec(-x)-sec(x)

Problem

sec(−x)−sec(x)

Solution

1. Identify the parity of the secant function. The secant function is an even function, which means sec(−x)=sec(x) for all x in its domain.

2. Substitute the identity sec(−x)=sec(x) into the original expression.

3. Subtract the terms to find the final result.

Final Answer

sec(−x)−sec(x)=0

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