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# What is the difference between sin and cos graphs?

2 years ago

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Chelsie Heller

2 Answers

Lissie
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Sine and Cosine graphs have the same shape, but translated 90 degrees along the x axis.

y = cos(x) therefore crosses the y axis at 1, and the x axis at 90 and 270

y = sin(x) however crosses the y axis at 0, and the x axis at 180 and 360

They are the same shape, but the cos(x) graph is essentially shifted 90 to the left of the sin(x) graph

Here's a picture to help:

https://www.technologyuk.net/mathematics/trigonometry/images/trigonometry_0042.gif

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Dawn M

Here are images of the graphs of sin x and cos x. You can see that the graph of cos x is the same shape as sin x but moved back by 90 degrees.

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