Cos Graph Mother Function Flashcards by Eve Terblanche | Brainscape

Q

Effect of Amplitude Changing (a)

A

y=acosx

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Q

Effect of Vertical Shift (q)

A

shifts up: y=ycosx+q
shifts down: y=acosx-q

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Q

Effect of Horizontal Shift (p)

A

shift right: y=cos(x-45)
shift left: y=cos(x+45)

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Q

Effect of Period/Frequency Changing (b)

A

y=cosb/2
period=360/2
=180

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Q

Period of a Standard Cos Graph

A

xE(0º;360º)

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