Evaluate the Integral $\int _ { 0 } ^ { \pi / 2 } 5 ^ { \cos t } \sin t d t$

question 158

Multiple Choice

Evaluate the integral.
- $\int _ { 0 } ^ { \pi / 2 } 5 ^ { \cos t } \sin t d t$

• A) \(\frac { 5 ^ { \pi / 2 } - 1 } { \ln 5 }\)
• B) 4
• C) \(\frac { 4 } { \ln 5 }\)
• D) \(\frac { - 4 } { \ln 5 }\)

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