...We may also use coins to demonstrate their relationship to fractions... how a quarter is really a quarter of a dollar and four of them equal one dollar. I retired from developmental optometry in 2011 and I started tutoring shortly thereafter. When my student asks, "Why is trigonometry important?" I can answer that trigonometry is used to calculate the path of a light ray as it is refracted. (read more)
8 Subjects: includingAlgebra 2,Geometry,Algebra 1,ACT Math
...If you are a tutor that needs help, contact Steve, your answer to improved tutoring!Precalulus is all about functions and how they behave. I've been teaching/tutoring precalc students for over 15 years and love the epiphany (aha) moments that come regularly to my students. Trigonometry is the study of triangles and all things angular! (read more)