Cosine (Noun)
Meaning
Ratio of the adjacent side to the hypotenuse of a right-angled triangle.
Classification
Nouns denoting relations between people or things or ideas.
Examples
- The cosine of an angle in a right-angled triangle is defined as the ratio of the length of the adjacent side to the length of the hypotenuse.
- In trigonometry, the cosine of an angle is used to calculate the length of the adjacent side when the length of the hypotenuse is known.
- The cosine of 60 degrees is 0.5, which means that the ratio of the adjacent side to the hypotenuse is 1:2.
- To find the length of the adjacent side, we need to multiply the length of the hypotenuse by the cosine of the angle.
- The cosine of an angle can be calculated using the formula cos(A) = adjacent side / hypotenuse.