Graph Sinusoidal Functions: Phase Shift

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Smit

14 december 2025 19:31
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I'm having real trouble trying to figure out how/in which direction to plot the graph. The math in the explanations doesn't make sense. Here's an example:

Now let's use a translation to bring the maximum point from to the location given by the graph, .

This calls for a translation by units to the right and units up, so is transformed into .

Hint #44 / 4

To sum it up, this is a formula for :

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JaniceHolz

14 december 2025 17:42
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It might help others help you if you provide a link to the lesson you are working on, or at least the course & unit & lesson.

For finding pi/2, pi/5, ..., I suggest using an approximation for pi such as 3.14 or 22/7 and then dividing:
pi/2 ≅ (22/7)/2 = 11/7 ≅ 1.6
pi/5 ≅ 3.14/5 ≅ 0.63

~ Janice, KA user
Smit

14 december 2025 19:32
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Thanks for the help. I've added the lesson & a link.

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Graph Sinusoidal Functions: Phase Shift

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