the point (-√5/3,-2/3) lies at the intersection of a terminal arm and a circle with the centre (0,0) a) what is the equation of the circle b) what is the measure of 0 in degrees to the nearest tenth? use diagram c) what are the co ordinates of the point for the angle (0+180 degrees)

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.