Use the Substitution Formula to Evaluate the Integral $$\int _ { \pi / 8 } ^ { \pi / 4 } 2 \cot ( 2 \theta ) d \theta$$

question 196

Multiple Choice

Use the substitution formula to evaluate the integral.
- $$\int _ { \pi / 8 } ^ { \pi / 4 } 2 \cot ( 2 \theta ) d \theta$$

• A) \(\frac { \ln 2 } { 2 }\)
• B) \(\frac { \ln 4 } { 2 }\)
• C) \(- \frac { \ln 2 } { 2 }\)
• D) \(\ln 2\)

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