9. Given the function f (x) = _ sec(nx) a. Determine the period of f (x). b. Determine the phase shift of f (x). c . Sketch the graph of f (x ) for -2 5 x - 2. Label the tick marks on both of the axes. + + + + 10. Given the function f (x) = - csc (x + ") a. Determine the period of f (x). b. Determine the phase shift of f (x). c. Sketch one period of the graph of f (x). Label the tick marks on both of the axes. + +