Which Is the Ratio for Sine?

The definition of the sine ratio is the ratio of the length of the opposite side divided by the length of the hypotenuse. Well, the length of the side opposite ? C is the length of the hypotenuse, so sin ? C = ^c/_c = 1 Because ?

How do you know when to use the sine ratio?

To use the sine ratio, the opposite side and the hypotenuse of the right triangle must be indicated. These two sides will have values on them if the measure of an angle is to be calculated using the sine ratio.

Which is the ratio for Cosine?

In a right triangle, the cosine of an angle is the ratio of the length of the side adjacent to the angle divided by the length of the hypotenuse of the triangle.