Verify that each equation is an identity. sec2 a - 1 = sec 2a - 1 sec 2a + 1

Weird R Graphs of functions in R² are curves Set of infinite points {(x,y) such that y=f(x) Graphs of functions in R³ are surfaces z=f(x,y) {(x,y) such that z=f(x,y) Test 1 Review Log, hn- solving, inverses, evaluating average velocity Rational fins- holes vs VA domains of f*g Sign analysis Solve 1. find roots of all factors Sign chart Graph (-3,0]U{2} Or...