The temperature (in °F) in a certain city t hours after 9 A.M. is approximated by the function $T ( t ) = 50 + 14 \sin \left( \frac { \pi } { 12 } t \right)$ . Find the average temperature during the period from 9 A.M. to 9 P.M..

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The Answer of The temperature (in °F) in a certain city t hours after 9 A.M. is approximated by the function $T ( t ) = 50 + 14 \sin \left( \frac { \pi } { 12 } t \right)$ . Find the average temperature during the period from 9 A.M. to 9 P.M..

The Temperature (In °F) in a Certain City T Hours T(t)=50+14sin⁡(π12t)T ( t ) = 50 + 14 \sin \left( \frac { \pi } { 12 } t \right)T(t)=50+14sin(12π​t)

The Temperature (In °F) in a Certain City T Hours $T ( t ) = 50 + 14 \sin \left( \frac { \pi } { 12 } t \right)$