Find the Period of the Function $y = 3 \sec \left( \frac { \pi } { 2 } \left( x - \frac { 1 } { 2 } \right) \right)$

question 17

Essay

Find the period of the function $y = 3 \sec \left( \frac { \pi } { 2 } \left( x - \frac { 1 } { 2 } \right) \right)$ and sketch its graph.

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