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Sinx and cosx functions

by Ry122
Tags: cosx, functions, sinx
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Apr2-07, 05:12 PM
P: 517
What differences is there between a sinx and cosx function?
Do they both use this equation?
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Apr2-07, 05:14 PM
cristo's Avatar
P: 8,325
Well no, because thats the sine function, and not the cosine function! This may help:
Apr2-07, 06:11 PM
P: 517
That's too in depth for me.
I just wanted to know the difference between
y=sinx and y=cosx when graphed.

Apr2-07, 06:12 PM
cristo's Avatar
P: 8,325
Sinx and cosx functions

Ok, try this:
Gib Z
Apr3-07, 02:16 AM
HW Helper
Gib Z's Avatar
P: 3,348
Maybe cristo just missed it, but Ry122 is actually right, cosine can also be expressed in that form of asin(bx+c) + d.

This happens because sin (90degrees-x)= cos x.

So in answer to your original question, the difference when graphed between sin x and cos x is that the cos graph is the same as sins, moved back 90 degrees to the left.

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