Complete the Sentence So the Result Is an Identity $\cot \frac { 17 \pi } { 18 }$

question 255

Multiple Choice

Complete the sentence so the result is an identity. Let x be any real number.
- $\cot \frac { 17 \pi } { 18 }$

• A) \(\tan \frac { \pi } { 18 }\)
• B) \(\cot \frac { \pi } { 18 }\)
• C) \(\cot \frac { - 4 \pi } { 9 }\)
• D) \(\tan \frac { - 4 \pi } { 9 }\)

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