Determine whether f(x) approaches ∞ or -∞ as x approaches 6

Last updated: 8/10/2022

Determine whether f(x) approaches ∞ or -∞ as x approaches 6 from the left and from the right. f(x) = sec(πx/4) lim sec(πx/4)=_____ x->6- lim sec(πx/4)=_____ x->6+