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Question: sandra wants to evaluate...

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Sandra wants to evaluate
2. Sandra wants to evaluate 9r). Her work is shown below. What did she do wrong? (I point) ( 9x )-2(0) (-쯩) O Since cotangent is an odd function, 2cot(- 2cm(- 2cot Cotangenthasapenodofn, 2cot停)-2-G) Since cotangent evaluated at 7 is not 0, 2cot2(0). Since cotangent cannot be multiplied by a factor, 2(0)o. 2 2 0 2
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