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Trigonometric functions - Wikipedia
Sine, cosine and tangent. The sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse. The word comes from the Latin sinus for gulf or bay, since, given a unit circle, it is the side of the triangle on which the angle opens.In our case: ⁡ =

Cosine similarity - Wikipedia
Cosine similarity is a measure of similarity between two non-zero vectors of an inner product space that measures the cosine of the angle between them. The cosine of 0° is 1, and it is less than 1 for any other angle in the interval [0,0.5π).It is thus a judgment of orientation and not magnitude: two vectors with the same orientation have a cosine similarity of 1, two vectors oriented at 90 ...

cosine │ 株式会社コサイン
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Sine, Cosine, Tangent, explained and with Examples and ...
This page explains the sine, cosine, tangent ratio, gives on an overview of their range of values and provides many practice problems on identifying the sides that are opposite and adjacent to a given angle.

Sniper Tools Design Co - Home of the Angle Cosine Indicator
Sniper Tools Design Company inventor of the Angle Cosine Indicator, which is used for angle fire solutions for military and civilian use.


The Sine and Cosine Functions - Properties
is called a cofunction of the function g, hence the names "sine" and "cosine.". The pythagorean identity, sin 2 (x) + cos 2 (x) = 1, gives an alternate expression for sine in terms of cosine and vice versa

Cosine - Home Page
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IXL - Graph sine and cosine functions (Algebra 2 practice)
Improve your math knowledge with free questions in "Graph sine and cosine functions" and thousands of other math skills.

Sohcahtoa: Sine, Cosine, Tangent - Maths Resources
Sine, Cosine and Tangent. And Sine, Cosine and Tangent are the three main functions in trigonometry.. They are often shortened to sin, cos and tan.. The calculation is simply one side of a right angled triangle divided by another side... we just have to know which sides, and that is where "sohcahtoa" helps. For a triangle with an angle θ, the functions are calculated this way:




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