In the circle (shown), express the ratio 18/19 as....

[Mathisconfusing101]

In the circle shown, express the ratio 18/19 as the sine, cosine or tangent of an angle measure. Find x to the nearest degree.

 

[pka]

In the circle shown, express the ratio 18/19 as the sine, cosine or tangent of an angle measure. Find x to the nearest degree.

A tangent to a circle is perpendicular to a radial segment at the point of tangency.
Thus, don’t we have a right triangle?
Use what you know about the trigonometry of right triangles.