10-04-2015
Mathematics

contestada

What is the period of y=5cos(3x) - 4?

Respuesta :

10-04-2015

period of sin(ax) or cos(ax) :
[tex]T= \frac{2 \pi }{|a|}[/tex]
period of tan(ax) or cot(ax) :
[tex]T= \frac{\pi }{|a|}[/tex]

[tex]T= \frac{2 \pi }{|3|} = \frac{2}{3} \pi [/tex]

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