Evaluate the Integral $$\int _ { 0 } ^ { \pi / 2 } 3 ^ { \cos t } \sin t d t$$

question 32

Multiple Choice

Evaluate the integral.
- $$\int _ { 0 } ^ { \pi / 2 } 3 ^ { \cos t } \sin t d t$$

• A) \(\frac { - 2 } { \ln 3 }\)
• B) \(\frac { 3 ^ { \pi / 2 } - 1 } { \ln 3 }\)
• C) \(\frac { 2 } { \ln 3 }\)
• D) 2

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