Exercise #13 notes ~ equations
0 likes180 views
This document provides information on writing trigonometric equations from sinusoidal graphs. It outlines the two basic sinusoidal equations as f(x) = a sin(b(x - c)) + d or f(x) = a cos(b(x - c)) + d. The variables a, b, c, and d represent the amplitude, period, start point, and median, respectively. Formulas are given to identify each variable based on properties of the graph like maximum, minimum, and period.
1 of 1
Download to read offline
Exercise #13 notes ~ equations
- 1. Exercise #13 Writing Trigonometric Equations The two sinusoidal equations are: f ( x) a sin(b( x c)) d OR f ( x) a cos(b( x c)) d When asked to find the equation of a sinusoidal function given a graph, identify: a amplitude b period c start point d median The following formulas may be used to identify the above variables: max imum min imum a 2 max imum min imum d 2 2 b period c = to find the shift for sine, locate the midpoint of the period OR c = to find the shift for cosine, locate the maximum