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# find integer values for a b and c to put into this graph equation: y = a sin(cx) + b cos(cx) so the graph looks like in the image,?

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- Φ² = Φ+1Lv 77 months agoFavorite Answer
This looks like a cos curve, so set a=0.

The amplitude is 4, so set b=4.

The curve has three cycles over 2pi, so set c=3.

y = 0 sin(3x) + 4 cos(3x)

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- billrussell42Lv 77 months ago
we can set a = 0 to get a cos wave, which this is. Period is 2π/3 so c=3

and b = 4

so we have y = 4 cos 3x

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