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Mathematics 9 Online
OpenStudy (tifferslovesyaoi):

Can someone check this for me? I don't understand this lesson at all. Fan and medal.

OpenStudy (tifferslovesyaoi):

OpenStudy (thomas5267):

The period of a function is the "length of repetition" for a lack of a better term. I only have my iPad now and I will try to explain it later.

OpenStudy (tifferslovesyaoi):

So did I get it right? I need to finish so I can move on. I'm behind.

OpenStudy (thomas5267):

It is 2 pi since \(\sin(x+2\pi)=\sin(x)\). This can be verified by plotting a graph or using the angle sum identity.

OpenStudy (tifferslovesyaoi):

Thank you so much

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