The cos of 28 is 15/17.
What is cos in maths?
The cos meaning in trigonometry defines the cosine of a perspective. This attitude is an acute perspective in a right-angled triangle, that's taken into consideration to discover the ratios. for that reason, the cosine of an attitude, in a proper triangle, is the same as the ratio of the adjacent aspect of that attitude and the hypotenuse of the triangle.
What is cos equal to?
The cosine of an attitude is described because of the sine of the complementary perspective. The complementary perspective equals the given angle subtracted from a right perspective, 90°. as an example, if the perspective is 30°, then its complement is 60°. usually, for any attitude θ, cos θ = sin (90° – θ).
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