Use the Substitution Formula to Evaluate the Integral $$\int _ { 0 } ^ { 7 \pi / 4 } \tan \frac { x } { 7 } d x$$

question 76

Multiple Choice

Use the substitution formula to evaluate the integral.
- $$\int _ { 0 } ^ { 7 \pi / 4 } \tan \frac { x } { 7 } d x$$

• A) \(\frac { - 7 \ln 2 } { 2 }\)
• B) \(\frac { 7 \sqrt { 2 } } { 2 }\)
• C) \(\frac { 7 \ln 2 } { 2 }\)
• D) \(\frac { - 7 \sqrt { 2 } } { 2 }\)

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