In the unit circle, the value of sine is the y-coordinate of the unit radius. what is the value of cosine?

a.
x-coordinate
b.
quadrant iv
c.
a function
d.
tangent

Step-by-step explanation:

In the unit circle, the value of cosine is the x-coordinate of the unit radius.

In general, you must associate vertical axis with sine and horizontal axis with cosine. The reason of this is beacuse of trigonometric reasons, when we analyse the radius of the unit circle, we form a right triangle, where the opposite leg to the direction of the radius is Y and the adjacent leg is X. Now, remember that the sine function is opposite leg over hipothenuse, and cosine function is adjacent leg over hypothenuse, where the hypothenuse is the radius.

Therefore, the right answer is a. x-coordinate.

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

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