Simplify cot(-u)

Problem

cot(−u)

Solution

1. Identify the odd-even identity for the cotangent function.

2. Recall that the cotangent function is an odd function, which means cot(−x)=−cot(x) for all x in its domain.

3. Apply the identity to the given expression by moving the negative sign outside of the function.

Final Answer

cot(−u)=−cot(u)

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