Graph Trig Function (period and phase shift): y= 8 sin ((4/5)x - π/9)

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Uploaded by on May 13, 2011

A http://www.door2math.com production. Dr. Pan makes learning math Fun.
What is the period and phase shift? y= 8 sin (4/5x - π/9)

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  • @Sorbik I don't know why, but I didn't understand this at all until I saw your comment haha! thank you!

  • This made it easier. Thank you! :D

  • Thank you.

  • Wow thanks a bunch, this really helped :)

  • the last number in the bracket is only the phase shift the first number is the period.

  • Finally! Some one explained this easily..

  • nice video. It took me about 30 minutes of youtube searching to finally make a small class note of "to find phase shift, flip "B" then multiply it to "C" and change the sign in front of C to show direction of graph movement"

  • wow. i finally got it

    

  • great help! thanks!

  • ahh tanks

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