Law of cosines/Related Articles
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- Geometry : The mathematics of spacial concepts.
- Law of sines : The ratio of the sines of the angles of a triangle is equal to the ratio of the lengths of the opposite sides
- Trigonometric function : Function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, and cosecant.