Graphing a sine function in form y=AsinB(x-C)+D --- EASY!!!! (#2)

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Uploaded by on Oct 22, 2010

http://www.acemymathcourse.com

Graphing a sine function while interpreting the values of A, B, C and D, yielding amplitude, period, phase shift and vertical displacement of the cosine graph.

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  • thanks for the tutor

  • Don't you have to multiply pi/4 by 2 since the equation has 2(x- pi/4).

  • Thanks.

  • @lebrondurant635 Hello again, it would be |C/B| if the function was in y=Asin(Bx-C)+D format - but in our example, B has already been factored out. So we have y=AsinB(x-C)+D instead, which gives us C as the phase shift... In this case, pi/4. So the video is actually correct. Check it with your teacher if you'd like. :)

  • @lebrondurant635 i stand corrected. it should be pi/8 :) peace!

  • because the formula for getting the phase shift is |c/b| in this case it is |-pi/4/2| (the abosolute value of pi over 4 divided by 2) the result is pi/6 :) hope it helps

  • this is wrong! phase shift should be equal to |c/b| your phase shift should be pi/6 not pi/4

  • haha sweet thanks

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