Sin and cos question with reference to x and y?

Question

When your dealing with sin and cos,is it correct that the sin is your x axis and your cos is your y axis? Or is it the other way around?

Answer 1

The way I remember it is "Why Sign?" (y = sin) Then, of course, I also know cos is the x coordinate.

Answer 2

On the Cartesian plane:

sin is Y axis
sin^2 + cos^2 = 1
cos X axis

Remember that in a right triangle, C^2 = A^2 + B^2. Using the unit circle simplifies Trig functions

Answer 3

cos is the adjacent side to the angle theta
sin is the opposite side to the angle theta
Always remember that relationship that way it will not make any difference what you call it.

Or another way to think about it is:
........opposite side
sin = ------------------
.........hypotuense

.........adjacent side
cos = -----------------
..........hypotuense

Another way is:
.........height of the triangle
sin = ----------------------------
.........hypotuense

..........base of the triangle
cos = --------------------------
...........hypotuense

You keep those relationships in mind it doesn't make any difference how you reference the triangle whether it is in standard form X - Y with X being the horizontal plane and Y being the vertical plane or some other way of referencing it.

Answer 4

x is cos axis
y is sin axis

Answer 5

y = sin
x = cos

Answer 6

cosine is the x and sine is the y, i am in pre calc and im reviewing this stuff right now, so i now what im talking about