Trig Review Part 4
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Lesson Summary:
In this lesson, the instructor reviews how to graph y=sin(x+(pi/4)) and determine its period and phase shift. The amplitude is 1, and the period remains the same as the regular sine function, which is 2pi. The phase shift is pi/4 units to the left. The instructor demonstrates two methods for graphing the function, including making a table for x and y. By the end of the lesson, students should have a clear understanding of how to graph sine functions with phase shifts.
Lesson Description:
Graphing y = sin(x+(pi/4)) and stating period and phase shift. Solutions to a Review for a Trigonometry Test for a class. . See pdf on that site under Trig, special videos.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you graph trig functions?
- How do you graph y = sin(x + pi/4)?
- How do you find the period, amplitude, and phase shift of y = sin(x + (pi/4))?
- How do you draw the graph of a trig function with a phase shift?
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Staff Review
This lesson continues graphing trig functions by starting with the parent graph of y = sin x. Amplitude and period found, as in the previous videos, but now phase shift is also introduced. The steps involved in determining values and plotting them are shown and explained.
