Find an Equation for the Sine and Cosine GraphVideos, worksheets, games and acivities to help Algebra 2 students learn how to find an equation for the sine and cosine graph.
Find an Equation for the Sine or Cosine Wave : When finding the equation for a trig function, try to identify if it is a sine or cosine graph. To find the equation of sine wavesgiven the graph, find the amplitude which is half the distance between the maximum and minimum. Next, find the period of the function which is the horizontal distance for the function to repeat. If the period is more than 2pi, B is a fraction; use the formula period=2pi/B to find the exact value. Last, find any phase shift, h. How to identify the graph of a stretched cosine curve.
Given a transformed graph of sine or cosine, determine a possible equation.
Writing equation of sin and cos graph
Trigonometry: Finding an Equation from a Graph
Determining the equation of a trigonometric function Determining the amplitude and period of sine and cosine functions.
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